Category Archives: Air Conditioning

Correctly Charging AC Units

Many people may wonder why HVAC companies will not maintain or recharge your AC unit on a cold day. It is simply not an effective way to test freon levels.

Cold Temperature Charges

You can work on these units in the cold and some technicians use “insulated blankets” to wrap the outside condensing units with to create a head pressure rise. This simulates a hot day, they can then add or remove refrigerant based on that reading. The problem with this technique is the head pressure rise is more of an estimate. With this estimate of head pressure you are not getting an accurate reading therefore it would be easy to overcharge or undercharge the unit.

This results in you as the customer being inconvenienced by your unit still having issues and possibly having to pay for the same service to be done on a hot day. When charging your unit on a hot day you will get a accurate reading therefore resulting in a cheaper repair and peace of mind that your unit will be operating correctly. This is the preferred method to work on AC units because we know we are getting a correct reading and will not have to worry about an unhappy customer or wasted time. The correct temperature for recharges is 70-75° F.



R22 Refigerant Phase Out – Environmental Impact

What does the R-22 Refrigerant Phase out mean for your Hvac system?

The current phase of of R-22 Refrigerant in residential and commercial properties leaves home and business owners with unanswered questions. As R-22 is gradually phased out, alternative refrigerants are being introduced. One of these substitutes is R-410A, a blend of hydro-fluorocarbons (HFCs) that does not contribute to depletion of the ozone layer.

HCFC Phase out

Service to current HVAC systems

Production of new air conditioning units charged with R-22 ended in 2010, and by 2020, the servicing of R-22 based systems will rely solely on recycled or reclaimed refrigerants.

If your air conditioner was manufactured before 2010, it probably utilizes R-22. The good news is existing units using R-22 can continue to be serviced with R-22 as there is no EPA requirement for change or conversion of these units.

More than likely, your heating and cooling units will have sufficient R-22, unless a leak occurs. Since production is limited, costs to charge existing units leaking R-22 refrigerant have gone up and are expected to rise. We urge our customers to take the necessary steps to protect yourself from the rising cost of refrigerant. The best thing you can do properly maintain your unit to prevent leaks. You can do so by participating in routine tune-ups in the spring and fall. Remember, routine maintenance is far less expensive than emergency repairs.

Retrofits and Converting units

Retrofit units, converted R-22 units utilize a substitute refrigerant, are allowed if the alternative has been found acceptable for that type of use. Substitute refrigerant can work well in R-22 units with a few changes to system components. For example, simply replacing R-22 refrigerant with R-410A in a preexisting R-22 unit is not recommended due to its higher worker pressure. However, a certified professional can replace R-22 condensers with R-410A condensers, as long as the system coil is also updated. This provides consistency in the refrigerant  cycle, as one coil cannot be replaced without the other, and allows the retrofit to get you by for several more years.

The EPA wanrs of potential safety hazards related to the use of unapproved refrigerants in home air conditioning systems as they are not designed to handle flammable refrigerants.

Impact on the environment

Properly installed home comfort systems rarely develop major refrigerant leaks, and with proper servicing, a system using R-22, R-410A, or another refrigerant will reduce its impact on the environment. Remember to always select a reputable dealer to handle refrigerants.

Refrigerant R-22 is used in a number of refrigeration and air conditioning systems. R-22 is the halocarbon compound named monochlorodifluoromethane with chemical formula CHCIF2 and it is the hydrochlorofluorocarbon (HCFC). R-22 is one of the most popular refrigerant used in cooling system, but unfortunately, the halocarbons (chlorine and fluorine) present in these compounds have the potential to cause depletion of the ozone layer in the atmosphere leading to greenhouse effect. The ozone layer destroying potential of R-22, which is HCFC is much lesser than the other chlorofluorocarbons (CFCs), still in the long-term they do have detrimental effects on the atmosphere.

The depletion of ozone layer from the upper layers of atmosphere results in ultraviolet rays of the sun to reach the surface of the earth. This leads to high temperature on the earth and the ultraviolet ray themselves are very harmful to the skin of humans. To avoid the long-term dangers of the R-22 and other CFCs, it has been decided to phase out the use and production of R-22 completely along with other CFC refrigerants.

ozone depletion

New units

A important thing a homeowner can do for the environment is to purchase a highly energy efficient system. Today’s air conditioners use much less energy, provide cost savings in maintenance an electric costs, and offer a green alternative to R-22 units. Rebates and tax credits also help to offset the cost of new systems.

The best time to switch is before your hit by the high costs of repairing a refrigerant system. Take into account the age of your current unit (as a general rule, systems should be older than 10 years) look for the energy star label to save up to 40 percent on utility bills and consider the minimum seasonal energy efficiency ratio (SEER) specification.

montreal protocol imagechlorine vs oxygen

RGF Reme Guardian Air Purification System Photohydroionization (PHI)

The Guardian Air by RGF uses Photohydroionizationin (PHI) in conjunction with enhanced UV light and is designed to eliminate sick building syndrome risks by reducing odors, air pollutant, VOCS (chemical odors), smoke, mold bacteria and viruses. The HVAC-PHI Cells are easily mounted into your heating and air conditioning systems air ducts where most sick building problems start. When the HVAC system is in operation the HVAC-PHI Cell creates an Advanced Oxidation Process consisting of, Hydro-Peroxides, super oxide ions and hydroxide ions. All are friendly oxidizers. By friendly oxidizers we mean the oxidizers revert back to oxygen and hydrogen after the oxidation of the pollutant.

The Guardian Air unit size, is scaled to accommodate the various air flow rates of different HVAC systems. Locate the air blower size in cubic feet per minute (CFM) of the HVAC system you are intending to install the system in, then pick the model number that corresponds to that flow rate. Therefore, there is a unit available to install in almost any HVAC application.


 Germicidal UV Light vs Photohydroionization

Germicidal UV light rays have been used for decades by the medical industry as a method for destroying micro-organisms (germs, viruses, bacteria). UV light is dependable and can be easily installed in HVAC ducts or a plenums. Germicidal UV light is effective in reducing only the airborne micro-organisms that pass directly through the light rays. However, germicidal UV light has little to no effect on gases, vapors or odors.

Photohydroionization Advanced Oxidation, on the other hand, is very effective on gases, vapors, VOCS and odors. UV light enhanced by a hydrated quad-metallic compound target develops an advanced oxidation reaction that creates an Advance Oxidation Process (AOP). This process also produces hydro-peroxides, super oxide ions and hydroxides. By engineering the proper UV light wavelength, in combination with a triple function, no maintenance unit. The PHI Cell provides safe AOP to purify the air. With the RGF HVAC-PHI Cell Advanced Oxidation System, micro organisms can be reduced by over 95%. Gases, VOCs and odors can also be reduced significantly, and the room will have hydro peroxides, super oxide ion and hydroxides which will help give your room fresh, clean and odor free air.


Hydro-peroxides Breakdown

The breakthrough in the RGF advanced oxidation technologies is a group of oxidants known as hydro-peroxides. Hydro-peroxides have been a common part of our environment for over 3.5 billion years. Hydro-peroxides are created in our atmosphere when ever three components are present: oxygen molecules, water vapor and energy (electro magnetic). REME also has the ability to super charge these hydro-peroxides or ionize them into Ionoized-Hydro-Peroxides.

Ionized-Hydro-Peroxides are very effective at destroying harmful microbial’s in the air and on surfaces. As oxidants, they do this by either destroying the microbe through a process known as cell lysing or by changing the molecular structure and rendering it harmless (which is the case in VOC’s and odors). The amount of hydro-peroxides required to accomplish this task in a conditioned space is well below the level that is constantly in our outside air. The Advanced Oxidation Technology found in RGF’s Guardian Air product family has brought the oxidants found in the outside air into the conditioned space of your home.

There is no known case of hydro-peroxides ever creating a health risk. Over the past 20 plus years RGF has more then 1 million Advanced Oxidation products successfully used worldwide without a safety problem.


Test Results

  • Tested on H1N1 Swine Flu with 99+% Kill on surfaces
  • ISO-Level 3 particulate reduction in a bio-chamber (better than HEPA Filtration)
  • 4-log reduction (99.9%) surface bacteria/virus reduction
  • Over 90% VOC reduction
  • 88% of microbes in human sneeze killed at 3 feet
  • 97% airborne bacterial reduction
  • 99% reductions of Ecoli, Listeria, Strep and Bird Flu
  • 85% odor reduction
  • 97% airborne mold reduction
  • US Military approved for mold protection in field hospitals
  • Hospital approvals Infectious Diseases – U.S. and International 99% reduction of STAPH (MRSA)
  • Major US city school reports 20% reduction in absenteeism
  • Tested and approved by the Chinese Government for protection against SARS virus
  • Approved by the USDA, FSIS and FDA for use in food processing plants
  • Fox News three-part indoor air series featured RGF and concluded substantial mold and bacteria reductions.
  • RGF’s technology has been featured on Fox, ABC, CBS, and in Popular Science Magazine.

We have installed many of these with great reviews from every customer! We are proud to be installing RGF REME products in Northern Colorado. If you would like to improve the air quality in your home today! Call Ace Hi Plumbing, Heating and Air for any of your plumbing or heating concerns!


If your air conditioning was installed before  2010 you probably have a refrigerant called R22.  This refrigerant was instituted in the 1950s and became the refrigerant used in the HVAC industry.  By 1980 the world started to understand that they were contributing to the depletion of the ozone from the R22 refrigerant.  In the beginning of 2010 manufacturing and import of R22 would be prohibited.  Current equipment would be considered case by case.  R22 was still available for sale until 2015.  By 2020 R22 will no longer be available for sale,at least in the us.  There are options available for R22.  There is recycled R22 .

Prices for R22 freon will start rising the closer we get to 2020.  The “virgin” R22 will become very valuable and prices to repair these older units will cost almost as much as replacement.

The main concern for HVAC companies is the parts availability for repairing the old freon systems and the freon leaking into the ozone.   If you replace your condenser with another R22 condenser there is always a concern about the air conditioning coil leaking (inside furnace ).  Concerns about internal leaks in this coil.  No parts available for repair.  So now you are out the money for the condenser because you will need to upgrade the condenser and the coil to convert to the new refrigerant 410A.

The simplest option is to upgrade to  a new air conditioning system especially if the system is over 10 years old.  Upgrade to the new 410A freon system and you will have peace of mind knowing you did the right thing.

Do your due diligence and research products and companies before you buy.  Ace Hi Plumbing,Heating and Air has been here since 1996.  We offer fair pricing and top quality service.


Windsor and Greeley, Colorado AC Repair Services at Ace Hi Plumbing, Heating & Air

It is important to call for an annual maintenance on your system before the hot weather arrives.  Having the compressor cleaned, checking the coolant levels, tightening the connections and lubricating any moving parts are an important part of regular AC maintenance. When your system is cleaned and tuned up, it will me more energy efficient and in addition, will lower your utility bills. You want your AC system to be in top condition when the hot weather rolls in.

At Ace Hi Plumbing, Heating & Air, we offer inspections, repairs and installation services designed to meet your budget. We have technicians that have the expertise required to accurately assess the state of your equipment and make recommendations to suit your needs.

Call Ace Hi Plumbing, Heating and Air at 970-667-0300 for more information or to schedule today!

Loveland, Colorado AC Repair Services at Ace Hi Plumbing, Heating & Air

One of the most important things you should do is change your air conditioner filter. The Department of Energy recommends changing your filter every 1 to 2 months during the cool season. Warm seasons require more frequent replacement, particularly if you us the AC frequently.

Every home is different and there are many factors that determine how long you should wait between filter changes. If you wait too long, the efficiency of the equipment will deteriorate and operating costs go up. If you change your filter too often, it’s like throwing money away. Considering the cost of some filters that could add up to a lot of money over time. Filter replacement frequency also depends on the type of filter you purchased. Some are designed to be cleaned and reused. Replaceable filters have recommended guidelines for how often you should change them.

Environmental factors such as pet hair, heavy foot  traffic in your home, tobacco smoke and living in dusty areas, such as in the country, can also decrease the life of your filter, requiring a more frequent change. Maintaining a cleaning filter not only helps to keep your system’s interior components clean and in good operating order, but also contributes to improved air quality by reducing the amount of allergens and harmful particles in the air. There are many different types of filters and each has its own benefits and will capture airborne particles based upon the size of the particulate.

The method to which a filter is rated is referred to its MERV rating which is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to rate the effectiveness of air filters. How often you change your filter will influence not only the quality of the air that you breathe, but it will also impact the health of your HVAC system.

Types of Air Conditioning Filters

Pleated filters are the most common and vary in their efficiency rates. They can be between 10% to 60% efficient and some manufacturers claim even higher efficiencies. These should be changed every 3 to 6 months. If you live in an area with lots of dust then you should probably change your filter every 3 months.

Electrostatic filters probably offer the best combination of value and efficiency. You will most likely pay two to six times what a good quality disposable filter would cost but if you wash them with water when they become dirty, you can reuse them.

Electronic filters will never become dirty enough to effect airflow, but do get dirty enough to become inefficient and their ability to remove dust from the air deteriorates as they become dirty. To clean these filters you have to remove the electronic cells and soak them in special HVAC cleaner and then rinse them and let them dry.

HEPA filters were specifically designed to protect the Human Respiratory System. These are the most efficient filters available, however, they become plugged very quickly and often cause too much restriction to airflow to be used at all. These need to be checked monthly in order to maintain their efficiency. An air conditioner contractor will be able to tell you if it is worth trying one of these in your system.

Economy panel filters (for example, the EZ Flow filters made by Flanders®) can be bought at your local hardware store in packs of four. These are very inexpensive, and as such, are extremely inefficient. In fact, most experts will tell you to steer clear of these filters altogether. Since they are not good at collecting dust, the dust travels to your evaporator coil, where it shouldn’t go. Ultimately you will end up spending more having your evaporator coil cleaned than you would have if you bought the proper filters, not to mention, the wear and tear on your HVAC equipment.

All HVAC systems are equipped with an air filtration system designed to trap pollutants, dirt and dust. Service technicians may replace your furnace filter during an annual inspection, but these filters are constantly working to keep the airborne pollutants out of the air you breathe and away from the operating parts of your air conditioner. With all of these debris piling up on each and every day, frequently changing or cleaning your filter is essential to maintaining the unit’s optimal operating efficiency. This is also essential to keeping your monthly bill low.

Call Ace Hi Plumbing, Heating & Air today at 970-667-0300 to find out more when it comes to our air conditioning repair services in Loveland. Trust us to be there when you are in need of help. We provide 24/7 emergency service for heating repairs in Loveland, CO.

Ace Hi Plumbing, Heating & Air offers AC service and repair for Northern Colorado

When it comes to providing service for air conditioning maintenance and repairs, you can trust in Ace Hi Plumbing, Heating & Air to get the job done right and help you on getting AC maintenance service that’s right for you. We service Fort Collins, Loveland, Windsor, Greeley, Johnstown, Berthoud, Estes Park and the surrounding areas. Call us today at 970-667-0300.

An air conditioning tune-up is an important part of making sure you get long lasting, efficient performance from you air conditioner. Here’s a 20-Point checklist of common maintenance procedures your local HVAC contractor, Ace Hi Plumbing, Heating & Air, includes with a routine maintenance call:

  1. Check thermostat calibration
  2. Filter should be clean and without any damage; replace if needed
  3. Check temperature drop across evaporator coil
  4. Check and clean condenser coil
  5. Check and adjust airflow connections
  6. Check and tighten all electrical connections
  7. Check volt amp draw on motors
  8. Check refrigerant charge
  9. Lubricate all moving parts
  10. Check and clean condensate drain; condensate directed away from unit
  11. Check start and run capacitors
  12. Inspect system for minor refrigerant leaks using a leak detector
  13. Check time delay relay
  14. Check contactor
  15. Check main 220 volt electrical whip
  16. Check compressor terminals
  17. Check disconnect box and fuses
  18. Check air conditional power breaker
  19. Inspect evaporator coil
  20. Make recommendations to improve safety, comfort and performance of system

Technicians should check the general condition of the unit which should be clean & dust free inside as well as outside of the air conditioner and unexpected behavior of the unit should be noted. When your AC tune-up is complete we will test cycle your system to assure proper operation.