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What is the Difference Between 1 and 2 Stage Furnaces?
Posted On: February 11, 2024
1-stage and 2-stage furnaces refer to the number of heat output levels the furnace has and how it operates to regulate indoor temperature.
Here's the difference between them:
1-Stage Furnaces: These furnaces have only one level of heat output, which is typically high.
When the thermostat calls for heat, the furnace fires up at full capacity until the desired temperature is reached, then it shuts off.
They operate in an all-or-nothing manner, meaning they are either on at full blast or completely off.
This can lead to temperature fluctuations and less precise control over indoor comfort.
1-stage furnaces are generally less expensive upfront compared to 2-stage furnaces but may result in higher energy bills due to frequent cycling on and off.
2-Stage Furnaces: These furnaces have two levels of heat output: high and low.
When the thermostat calls for heat, the furnace first activates at a lower capacity (low stage) to maintain a steady temperature.
If additional heat is needed to reach the desired temperature, it switches to the higher capacity (high stage).
They provide more precise temperature control and reduce temperature swings because they can operate at a lower output level for longer periods, maintaining a more consistent indoor temperature.
2-stage furnaces are typically more energy-efficient than 1-stage furnaces because they can run at a lower capacity for longer periods, consuming less energy overall.
Although 2-stage furnaces are usually more expensive upfront compared to 1-stage furnaces, they can potentially save money on energy bills over time.
In summary, the primary difference lies in the number of heat output levels and how they regulate indoor temperature, impacting comfort, energy efficiency, and upfront cost.
Contact Twintech today at 1-844-894-6832
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See What Our Customers Are Saying:
Aug 20, 2022
From quote, to installation, to follow up, Twintech provided excellent service. I would highly recommended their services.
Aug 19, 2022
I had a really great experience with these guys. The salesman Bob was clearly very knowledgeable about everything to do with heating and cooling a home, spent a lot of time with us going over the details of the job, never rushed us and came back after the install to make sure we were happy. The installation crew was excellent, they covered the floors all the way from outside down to the basement furnace room, kept the place clean, got the work done on time and were very friendly. Ive got 15 years in the contracting/ construction industry and these guys are one of the most professional companys Ive dealt with. Great company!
Aug 18, 2022
Had great service and clean-up was good. Was happy with my salesman. They were very friendly and helpful. I needed a new furnace as our was over 20 years old. The furnace and air-conditioner work great and they are very quiet. I am very pleased with the service and product I received.
Aug 17, 2022
Met with Dave for the sales process and he was great about explaining and going over everything to us. The install happened very quickly and the team were super professional and friendly. We are very happy with this company and their services and we definitely recommend them to others. Thankful my sister recommended them to me!
Aug 16, 2022
Reviews for Twintech were good, and they did not disappoint. After an initial visit to discuss the suitable AC unit for replacement, an installation date was available in just a couple of days, and everything was installed without a hitch. Highly recommended
Aug 16, 2022
Very pleased with the installation of our new furnace and A/C unit. From quotation stage to the completion of the job Twintech was very professional.
Thank you for a job well done.
Aug 15, 2022
My old water heater quit on me. I called TwinTech. In less than 4 days, I had my new water heater installed and the old one taken away. The whole process was quick, easy, pleasant, and well done. This is the third time I've dealt with TwinTech and I've been satisfied each time.
Aug 14, 2022
I had them replace my furnace last year. When it came time for the air conditioner this year, I did not hesitate to call Twintech again. I will also have them perform regular maintenance on them.
Aug 13, 2022
We required a new HVAC replacement after running the old
system for 18 years.
Dave understood our requirements and gave us a quote that
covered all the necessary items.
Installation was fast and very tidy. Everything works as
it should. Our thanks to Greg, Mitch and others for their
excellent work. Recommend this family owned business to
anyone else, considering HVAC or other work.
Aug 12, 2022
I needed a new furnace and A/C to replace my 21 yr. old units, and went to the internet to view potential companies in May, I received 3 quotes,
and chose Twintech based on their salesman Dave who was very detailed and covered off everything on what Twintech was all about,
an extremely dedicated company with so many years of experience, and after reading the on line reviews I was sold on Twintech, who did not disappoint as the installation team were top notch with Greg leading,
I would highly recommend this company without any doubts, in my books they are first class all the way. Our new Amana furnace and A/C are working perfectly !
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