There’s a common misconception that you can save money by shutting the vents (supply registers) in rooms that aren’t being utilized. Resist the urge to close too many, as doing so can actually increase the pressure in your furnace, making it work harder to heat your home. This can lead to failed blower motors, mold or mildew in your ductwork, damage to the compressor, a cracked heat exchanger, and other problems. What Does a Furnace Tune-Up Include?

When you hire Steel T Heating & Air Conditioning, know that you’re hiring a business that is fully licensed and insured with certified technicians that receive ongoing training. In order to earn the status of a Carrier Factory Authorized Dealer, our company is held to strict standards for customer satisfaction, product knowledge, technical expertise, and business practices. For five years in a row, we were honored to be selected as a Carrier President’s Award winner. This award identifies Steel T Heating & Air Conditioning as an example of excellence for dealers across the nation to follow. We’re also the only heating and cooling company in the state of Colorado to be inducted into the Carrier Hall of Fame, a distinction that only 25 other dealers in the country can claim. We are extremely proud of the superior service and quality products we offer to homeowners in Littleton, Lakewood, Centennial, Highlands Ranch & Englewood, CO. We never rest on past achievements, but continue to find new ways of earning your business.
Next check and clean the furnace’s flame sensor. The video below shows you how—note that this guy fixes it in about 5 minutes. We would probably use a little bit of emory paper, but he cleans the sensor with a 5-dollar bill. Another video further down the page under the discussion of “If your furnace keeps shutting off after about 5 minutes” shows the same project with a different brand of furnace.
The thermocouple is a copper rod that the pilot flame heats-up. When it gets hot enough, the thermocouple signals that there is enough heat to burn the gas fuel being released into the appliance—and so it allows the gas to be released to the burners. In some cases where the pilot light won’t stay lit, the thermocouple needs to be adjusted or replaced. This is generally a job for a professional.
Whether you are looking for gas furnace service or repair, quality installation of a furnace, heat pump or air conditioner, mini split ductless heat pumps, endless hot water from tankless water heaters, better air quality in your home or just a filter change or duct cleaning, Greenwood Heating is your best choice of Seattle heating contractors and cooling specialists.
Heat exchangers are the components that draw heat from the burned gas. To draw more heat from the air they burn, energy-efficient furnaces supplement the primary exchanger with a second exchanger. Because the exhaust gases in that second exchanger might yield a corrosive acidic condensate, the second exchanger is made of stainless steel, lined with plastic, or otherwise protected.

“Walter Zainey started the Greenwood Furnace Co. in the Greenwood neighborhood of Seattle in 1918 and quickly built a reputation for providing quality products and services. For years we believed Greenwood began in 1921 but only recently, May of 2017, Walter’s granddaughter shared a newspaper ad from 1968 showing that Greenwood was actually founded in 1918! When your company goes back 100 years you are bound to have mixed messages about the history but we now have an accurate founding date and founder. Thank you to the Zainey family and especially Jacklyn for taking the time to share the story with us. I am sure Walter Zainey would be proud the heritage he created is still living on.


Environmental Protection Agency (EPA) has selected Sears Home Services as a 2018 ENERGY STAR Partner of the Year winner for Sustained Excellence — Retailer and Energy Management. This award is reserved for ENERGY STAR partners demonstrating outstanding leadership and exceptional commitment to the environment by providing consumers with products, services and information that help individuals make sustainable purchasing decisions.

I met the owner while looking at a new house, he was servicing the furnace. I asked for a card and explained that I live in a townhome, he said not a problem. Well I called a day or so late to schedule an appointment. That went smooth due to the season the schedule was 3-4 weeks out. I understand and wait patiently. Week the day before the scheduled service i got a reminder call, those are helpful. Well the gal on the phone calls back a few minutes later she called back and came up with a few excuses on why they can no longer come look at my furnace. They seemed pretty hollow to me and she took a fairly snippy attitude with me as well. Due to hire this went down and the fact that it took a month for them to say no can do, I will never ever pay a positive wire forward towards this company!


At Genz-Ryan, we are here for you 24 hours a day, 7 days a week so you can count on us for all your heating repair work in the Minneapolis area. Our furnace repair technicians are well-trained and experienced. They’re ready to take care of any heating issue that you may have. We are a Lennox Premier Furnace Dealer and provide expert furnace repair service for most of the Minneapolis/St. Paul area. For over 60 years we have been getting the job done right the first time.
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