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What is an HVAC system and what does it do

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What is an HVAC system and what does it do

Posted On: May 11, 2022

What is an HVAC system and what does it do

The term HVAC system comes up quite often, especially when looking at the specifications of a home. Whether it's brand new or older, what is an HVAC system, and what does it do? 


HVAC stands for heating, ventilation and air conditioning. The HVAC system is responsible for keeping your home cool in the summer and warm in the winter, and it also controls the indoor air quality. For an HVAC system to work effectively, you must replace your furnace filter every 90 days or less, depending on how often your furnace or air conditioner is on.


 Not only will the HVAC system rely on the furnace and air conditioner, but ductwork as well. Any cracks in the ductwork will cause the warm or cool air to leak out and not go where intended. Air quality can also be significantly affected when ductwork is not properly maintained. 


The HVAC system works by sending the warm or cool air through the ductwork and to the various rooms in your home. The thermostat is responsible for controlling the HVAC system. 


When the air in the house has fallen or risen below the set temperature, the thermostat will tell the heating or cooling unit to come on. And will stay on until the home is comfortable again. 


Thermostats come in different brands, with some you can even control when you are not at home. These are called thermostats and are becoming more popular with homeowners. Smart thermostats can even learn about the house and adjust the temperature accordingly, saving you money on energy bills. If you heat your home with natural gas, you could even qualify for a discount on a smart thermostat. 


But HVAC systems are not just in homes. You will find them in other buildings such as hospitals, restaurants, etc. Hospitals rely on their HVAC systems for sanitization, whereas restaurants need them for refrigeration. 


Keeping our HVAC system running is the best way to ensure your home stays comfortable. This means routine maintenance on your furnace, air conditioner and ductwork. If it's been a while since your HVAC system's last maintenance, Twintech Heating and Cooling is here to help.


One of our technicians can come to your home and inspect everything from your furnace, air conditioner and ductwork. And we will let you know if any repairs are required. 


For more information on our services, visit our website or call us at (844)894-6832. We will answer any questions you may have. Contact Twintech Heating and Cooling Today. 



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See What Our Customers Are Saying:

by Robert, Pickering on Twintech Heating and Cooling

Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.

by Brian Burns, Whitby on Twintech Heating and Cooling

The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.

by Geoff, Port Perry on Twintech Heating and Cooling

Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldn’t believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!

by MB, Ajax on Twintech Heating and Cooling

Installation was done quickly and professionally. The new furnace is quiet and provides even heat.

by Richard from Oshawa on Twintech Heating and Cooling

They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!

by Darcy from Pickering on Twintech Heating and Cooling

This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!

by gillian hooton from Uxbridge on Twintech Heating and Cooling

Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.

by dflynn in Ajax on Twintech Heating and Cooling

Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.

by alisiena from Toronto on Twintech Heating and Cooling

Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.

by David from Toronto on Twintech Heating and Cooling

During the summer, I previously hired TwinTech to replace my air conditioner when it failed. They did an excellent job so when I decided to proactively replace the furnace I contacted them. The furnace I had was 22 years old and showed signs of internal leakage. It still worked but rather than wait to have it fail in cold weather, I decided to purchase a higher efficiency model before it failed and take advantage of energy efficiency rebates. TwinTech offered very useful advice on the make and model of furnace to choose including high efficiency and variable speed motor. The price was reasonable, TwinTech arrived at the allotted time, installed the new furnace (including some re-routing of exhaust lines since the existing ones were too close to other vents), removed the old furnace, tested the installation and cleaned everything up. Overall, it was a good experience, they did a great job and the new furnace is working well.

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See What Our Customers Are Saying:

by Robert Rogers on Twintech Heating and Cooling

Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

by Robert Mizuno on Twintech Heating and Cooling

We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling

TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

by Anna Chin on Twintech Heating and Cooling

Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!

by Connor Agnew on Twintech Heating and Cooling

Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.

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