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Why Armstrong Air?

Since 1928, Armstrong Air has been a smart choice for homeowners, and a constant recommendation from dealers. That’s because for nearly a century they have been at the forefront of emerging features and quality improvements in the HVAC industry. Every piece of equipment in the lineup is designed to deliver substantial durability, comfort, and energy efficiency, with leading-edge technology and brilliant features throughout.

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Heating Efficiency

AFUE stands for Annual Fuel Utilization Efficiency and is a percentage measurement of the furnace’s heating efficiency. The U.S. government's minimum efficiency level is 78% and the Canadian minimum is 90%, but Armstrong Air furnaces go all the way up to 97%. That means 97 cents of every dollar goes to efficient heating.

HSPF stands for Heating Seasonal Performance Factor and is a measurement of a heat pump’s heating efficiency. There is no governmental minimum efficiency level for HSPF.

Cooling Efficiencies

SEER stands for Seasonal Energy Efficiency Ratio and is a measurement of the efficiency of cooling products. The U.S. government’s minimum efficiency level is 13.0, but Armstrong Air cooling products exceed 18.0 SEER.

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At City Furnace Replacement , we’re very proud to provide our customers with a high level of service. So, words of thanks mean a lot to us. Here are just a few that we’ve received.
Vania Gamache & Brian Ballman

"As first time homeowners (and renovators), Nick worked with us, at our pace, and provided excellent information to allow us to make the right choice. We are very satisfied with our new furnace and ducting and refer Nick and City Furnace every opportunity we get. Thanks again!"

Jason Weber

"We had Nick from City Furnance redesign our heating system. We live in an older home that had 2 old furnaces and because of changing safety code we needed to go to one furnace. This was not an easy fix but Nick handled this tough job with ease. This was accomplished in a timely fashion for a very fair price with exceptional workmanship. I would highly recommend City Furnace to handle any size of job with professional care. I myself work in construction and appreciate Nick's hard work and him showing up when scheduled."

Debbie Gable 

"I was impressed from the minute I met you, I liked your honesty and integrity.  Everyone that came into contact with you while you worked was equally impressed. Your knowledge and experience are evident in the work you do. I would highly recommend you to anyone in need of furnace repairs or replacement. Thanks Nick for the great work and making this part of my renovation so easy."

Gary Jurasek

"CFR has now done 5 furnaces and 3 hot water tanks for me. The quality and service is always top notch and I would recommend CFR them to anyone who wants a  quality job."

Suzanne Miller

"My husband and I were very pleased with the new furnace Nick installed for us. He was professional, knowledgeable and very tidy!"


"Nick did a great job for us. Came on time, worked hard and cleaned up. I have no problem recommending him. Thanks again, Nick!"


"I choose to go with Nick Weran of of City Furnace Replacement because of his depth of knowledge, competetive pricing and willingness to carefully explain all my options for what was going to be a challenging job. Sure enough, he finished on time, on budget, and the end result was so well executed it even earned a compliment from the city inspector that checked it after completion. I'd recommend City Furnace Replacement to anyone." 

Sue Roberts

"CFR replaced my furnace & humidifier in December 2012 and did a great job! CFR was the only company that explained exactly what needed replacing, including the ABS pipe that was not to code, and afterwards explained the installation in detail. I would definitely recommend Nick from CFR to replace your furnace." 

Dan and Sophia Smith

"CFR replaced two furnaces in our home in the Spring 2012. The work was excellent in every respect: quote, preliminary set-up, removal of old units, new piping and venting to meet the new requirements, and the quality of the work and the work ethic. The City Inspector said everything was excellent. Obviously we are extremely pleased with CFR and have recommended them to our friends." 


"Nick replaced our 52-year old furnace which involved extra work bringing everything up to code and the price was fair. He was punctual, knowledgeable, hard working, efficient, and tidy. There was no trace he was ever here except for his workmanship. Nick even went beyond the call of duty in doing unrelated odd jobs as he went along. He is a charming and pleasant young man who instills confidence from the moment you met him. He spends unhurried time with you during the quote phase and patiently answers all questions. We recommend CFR to everyone and have absolutely no negative comments about Nick and his work." 


"Thank you again for the excellent experience, meeting yourself, and for the great job you did. Please do not hesitate to offer us as references to prospective clients at any time! The inspector paid you a compliment as he was very impressed with the entire job. Thank you again."


"We had just bought a 1940's home with a 30 year old furnace in it. We had 4 different furnace specialists in to assess our home and get quotations. My wife and I knew within 20 minutes that Nick from City Furnace Replacement was the right choice. He was knowledgeable, very amiable and thoroughly professional in his approach and the quotation was very competitive. I am recommending Nick to my friends - based on our experience you won't be disappointed!" 

Gloria Dolan

"I was pleased with the work Nick did in replacing my furnace. He was very prompt & professional. He patiently answered all my questions & concerns in a very pleasant manner, I would highly recommend City Furnace Replacement to anyone. Thanks again Nick, for all your help. I really appreciate it."

Jamila Al-Ani

"City Furnace is a reliable company, they did there job on time, two days only to install two furnaces and one water tank. They cleaned up everything after they were done. And did'nt receive any money until finished. I am glad i hired these people.... recommended."


"Hey Nick, the furnace looks great. Thanks again. We will definitely be referring you to anyone looking for furnace work."


"The furnace, thermostat, hot water heater, air cleaner and humidifier all needed to be replaced in my older home. Nick provided his recommendations, explained his reasons behind the recommendations & answered my questions thoroughly. I am very satisfied with the work, pleased that the high efficiency furnace is very quiet & would gladly recommend City Furnace Replacement to other people. Thanks Nick!"



"City Furnace Replacement was the right choice because:

-They arrived when they said they would and finished as quoted

-We received quality components to replace our old appliances

-Their workmanship was meticulous and professional

-We received a competitive quote for the work, the price at the start, was the same at completion

-They took the time to review all the components of the mechanical system, including those they did not replace

As a contractor myself, i would not hesitate to reccommend CFR to my customers. Thank you for a job well done."



"I just wanted to thank you again. re: the excellent service. We slept so good last night! I am very happy. Thank you and take care."



"Nick is an exceptional individual and first class business man. Nick originally installed our furnace and ducting in 2008. It was done as quoted and on time. We had reliable heat until Oct. of 2015 when the furnace started having issues and eventually quit working. We called Nick that evening and he told me he would be by the next morning to take a look. Not only did he come prepared but my furnace was up and running by the time he left. During conversation with Nick he told me he was getting married later that very day. We couldn't beleive it. If that doesn't say something about Nick's commitment to his customers we don't know what will. We definetly would highly recommend City Furnace to anyone looking for a new furnace or entire system. We rest easy knowing that if our furnace has an issue, City Furnace will be there to take care of it and make it right. Thanks again Nick."



"My furnace was over 40 years old and it was time to go to a high efficiency unit. Nick from City Furnace came out and it was obvious from the outset that he knew what he was talking about-and he was down to earth. I really felt that he wanted to help me, that he toke great pride in his work, and that he had lots of experience.When he gave me a quote for a two stage, variable blower, 70k btu furnace, it was lower than the Lennox quote by a few hundred and the price for the extras (larger filter, pump, thermostat) were much more reasonable. The installation was done in a very professional and timely manner. Thanks Nick! The next time a friend or colleague asks for a good furnace guy i will definitely reccommend you."