If you’ve got questions about air conditioners, we’ve got answers!

Here we’ve compiled a list of air conditioning FAQs to answer some of the most commonly asked questions we get surrounding cooling equipment.

At Mr. Furnace, our goal is to partner with you, not only in selecting and installing a system that is appropriate for your situation, but to also help keep your system operating at peak performance. Learn more with an in-home consultation. We’re your experts for cooling equipment so put our knowledge to work for you and never question your a/c unit again.

Q: What does HVAC stand for?

Pronounced “h” vac, this acronym stands for heating, ventilation, and air conditioning.

Q: How can I increase the efficiency and the lifespan of my a/c?

Proper maintenance is key. This includes cleaning or replacing your filters regularly during the cooling season, as well as scheduling ongoing maintenance for the unit by a cooling professional. Also, by installing shades, drapes, shutters, or screens on any windows that are exposed to extreme sunlight, this helps to keep room temperatures at moderate levels.

Q: Why do I need to clean/change my filter regularly?

Regularly cleaning or replacement of filters helps your a/c operate at peak levels and improves the overall air quality in your home. Therefore, it is important to clean/change filters regularly to ensure proper air flow and to keep your home free from dust, allergens, and germs.

Q: How often should I clean/replace my filters?

In general, it is recommended that you replace your disposable filters at least once a month. If you have washable filters, they should be cleaned once a month.

Q: How often should I have maintenance done on my air conditioner?

You should get maintenance done on your a/c system at least once a year – spring to early summer being the best times. This not only ensures maximum efficiency, it enables your technician to foresee any possible problems that may occur in the near future.

Q: Is there anything I need to check before scheduling my a/c maintenance service?

If it’s not working, check to ensure that the a/c is turned on. If so, check that the breakers and the disconnects are turned on and be sure the thermostat is set correctly. Also make a note of any strange noises or smells coming from the unit.

Q: What are telltale signs that my a/c unit may need professional servicing?

If your unit is it making strange noises, isn’t cooling all areas of your home sufficiently, taking longer to cool down, or if your utility bills have gone up for no apparent reason, then you may have a problem that needs service. In most cases, the longer you delay, the worse the problems will get.

Q: When should I replace my existing air conditioning system?

Because all systems and units are different, this depends on various factors including the age of the unit, noise levels, humidity levels, energy costs and how well the unit is functioning for your needs.

Q: How much does a new a/c replacement system cost?

Due to the wide selection of different makes and models available, as well as customer needs, price is an issue that can only be solved by doing a thorough evaluation of your home and its existing equipment.

Q: If I purchase a new cooling system, am I eligible for any government rebates?

The short answer is yes; Ontario does offer several government rebates for upgrading your home comfort systems. For full details, see our full article here.

Q: What different types of a/c units are available?

Forced air a/c’s are by far the most common type of a/c in North America. Other types include ductless a/c’s, window units and portable a/c’s.

Q: Are there any environmentally-friendly air conditioning systems available?

Yes, several manufacturers have developed new a/c systems that contain chlorine-free refrigerants that are safe for the ozone-layer.

Q: How do I know if my current a/c unit is the right size for my home?

Bigger isn’t always better; performance and efficiency are what count. Before purchasing a replacement system, you should always have a professional make sure your system is sized properly to match your needs and budget.

Q: What size or type of air conditioner should I purchase for my home?

There are several factors that affect what size and type of a/c unit is most suitable for your home. The only way to ensure you get the ideal solution is to have your home evaluated by a licensed professional.

Q: What air temperature should my air conditioner produce?

Generally, the air temperature produced should be 15°-20° less than the air entering the system. So if the air entering is 80°, the exiting supply air should be about 60°-65°.

Q: Why is it important to choose a reliable and trained technician to service my a/c?

A big problem in the air conditioning industry is the lack of trained professional technicians. Also, many companies in the industry aren’t there for their customers they service or install the system. Make sure you find a technician who is certified and stands behind their work