How your Furnace and Air Conditioner work together to keep you Comfortable?

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How your Furnace and Air Conditioner work together to keep you Comfortable?

Posted On: April 14, 2019

How your Furnace and Air Conditioner work together to keep you Comfortable?

Furnaces are used to generate heat and spread it throughout your home.


 A furnace is connected to a duct system that will distribute heated air to the various rooms of your home, which is crucial during the colder months of the year.


The heating process begins when the thermostat senses the temperature in your house dropping a little below its set point.


The thermostat then sends a signal to the furnace to initiate the sequence of operation needed to bring on the heat source.


Heat can be produced by means of energy from multiple sources, such as electric heat, natural gas, propane gas or fuel oil.


Electric furnaces heat up like large toasters, while oil and gas furnaces employ the use of electrically signaled control valves to produce flames.


 Once the furnace heats up for a short time the furnace blower kicks in to circulate heated air throughout the rooms of your home.


When the thermostat is satisfied that the temperature it senses has slightly exceeded its set point it cuts off the signal to your furnace and the heating cycle comes to an end shutting off the burners or electric elements, leaving only the furnace blower fan running for a little longer to push any heat remaining in the duct system.


 During the summer when the temperature in your home rises above the air conditioning set point it sends a signal bringing on both the air conditioner and the furnace blower.


The outdoor AC unit houses a compressor which pumps refrigerant to an evaporator coil located inside near the furnace.


Proper functioning of your central air conditioner depends upon the correct indoor air flow provided by the furnace, and correct air flow through the AC condenser coil in order to keep the compressor running properly.


 To ensure that your furnace is running optimally, regular annual maintenance is recommended in order to minimize the chance that your system will break down during a heat wave in the summer, or during a winter cold spell.


Sometimes it is difficult to diagnose the reasons why your furnace or air conditioner is not working.


The best way to figure out the problem is by first looking over the entire system for any obvious installation related issues.


After all, you can buy the best equipment but if it’s not installed correctly the result can be unreliable or inefficient operation.


Proper setup, known as commissioning, is very important in a complete and thorough installation so that your furnace and air conditioner are operating as they were designed to.


 During the summer months, your furnace fan and electronic controls are used almost as much as they are in the winter.


If the furnace blower motor stops working this can result in the air conditioning coil freezing up which can damage your furnace.


Most of today’s gas furnaces contain electronic controls and do not like to get wet so when a frozen coil above the furnace starts to thaw and drip water onto the electronics the circuit board will usually short out and will need to be replaced.


A skilled technician will properly diagnose any issues with your air conditioning system such as improper air flow, incorrect refrigerant charge or any other common issues that are found on a service call.



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See What Our Customers Are Saying:

by rcnichols electric in Whitby on Twintech Heating and Cooling

We had Grant and Greg Dainty quote to replace our 20 yr old furnace. I have known them for years and have had other jobs done by them ( AC and Pool Htr). The price was very reasonable and the job was completed in one day.

by Rick. F. in Pickering on Twintech Heating and Cooling

TwinTech was the right choice. Our consultation with Dave set the tone. Professional and knowledgeable, we even received a follow-up call within hours of our install completion, wow! TwinTech arrived as scheduled to install our A/C unit. Within minutes of arrival Greg noted and explained a few out of code faults on our furnace installed by another company, problems fixed, thanks TwinTech. Greg, Grant and "Subaru" Pete were meticulous start to finish. Highly recommended!

by Taresh, Pickering on Twintech Heating and Cooling

Twintech replaced our aging +20 yrs old Furnace & AC with the variable high efficiency Napoleon Furnace matched with the Goodman AC. Sales guy ,Dave was great, gave a no pressure estimate, explained about the Government Rebate program which they took care of completely including arranging the home energy audit. On the scheduled day Greg and his team arrived on time, did a great job and completed the same day , extremely professional and courteous, cleaned up everything , tested the system, Greg took his time to explain the setup. Very impressed with the Napoleon Furnace 9600 which did a great job in maintaining a comfortable temperature last winter and now with the hot weather the Goodman AC cooled the house in much less time than the old AC unit could ever. From start to finish Twintech were great and have no hesitation in recommending them 100%.

by Private User Pickering, ON on Twintech Heating and Cooling

The Twintech team did an excellent job installing our new Goodman air conditioner. They were polite and professional. Greg was knowledgeable and clearly experienced. Thank you Twintech for bringing our cooling system up to current regulations. Job well done!

by Y. M. from Pickering on Twintech Heating and Cooling

Dave from TwinTech was very knowledgeable, professional and thorough in the buying process. He helped us to identify the best furnace for our home and our budget. When we needed a new filter a year later and seemed to have a problem finding the right one, I called Dave up and he delivered a filter to me the next day! The cost was on par with other retailers, but it was this unexpected personal service that really was impressive. The furnace? Works like a charm.

by JLH from Pickering on Twintech Heating and Cooling

Imagine, it's 5 minutes after the midnight countdown New Year's eve and the furnace quits. We called TwinTech fully expecting to leave a message and actually spoke with Greg, one of the owners! We had an immediate repair early the next morning & a new furnace within the week. We have entrusted TwinTech with all our home HVAC service needs for over 6 years. That's why this week with an opportunity to purchase a new BBQ, we called them 1st to see about a gas line install. It's chicken on the grill tonight! They are efficient, reliable, honest, hard working, and -- attentive is an understatement.

by Curtis, Ajax on Twintech Heating and Cooling

Wonderful customer service, starting from the job quote (Dave), to the clean install, to the follow-up. Twintech is a small company which installed my Napoleon furnace, A/C, John Wood tank, and ran the line for my gas dryer. The installation was completed as promised in one day. The work area was kept very clean, and they even took care of my old rental tank. The professionalism and wonderful customer service is second to none. They completed all of my rebate paperwork, and now I'm getting $2000 back! You will not be disappointed if you hire this company for your project.

by Roy in Pickering on Twintech Heating and Cooling

I was referred to Twintech by a neighbour and was not disappointed. Not only was the customer service excellent their workmanship was second to none. Greg and Grant work extremely clean covering the pathway to the furnace room, labeling the essential parts, left the area spotless and were efficient. They cleaned up the mess left by the previous installers (wiring, improperly installed AC coil, and gaps in venting etc). They also ran through the operation of the new furnace and gave me some maintenance tips. Greg and Grant are professional and all around good guys. I will definitely recommend their service to anyone without hesitation.

by Peter Buck, Pickering on Twintech Heating and Cooling

Very satisfied with service from Twintech , beginning with all the information provided by Dave , which helped make the decision much easier . Installation was very smooth & done on time as promised & cleanup was well done . Would definitely recommend this company & use them again for any future needs . Well done.

by Angela from Ajax on Twintech Heating and Cooling

Twintech Heating & Cooling Inc. came in and replaced my 39 year old furnace with a beautiful Napoleon variable high efficiency furnace! Their work was efficient and professional and they were a pleasure to deal with, from sales to installation! I would highly recommend them.

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