Family-owned since 1998. Same-day repairs, flat-rate prices we quote before we start, and technicians who treat your home like their own.
24/7 EMERGENCY
One call covers it all — repairs, replacements, and the maintenance that keeps emergencies from happening in the first place.
Warm air, strange noises, ice on the lines — diagnosed fast and fixed the same day in most cases.
Schedule repair →High-efficiency systems sized to your home, installed in a day, with a 10-year parts warranty.
Get an estimate →No heat at 2 AM? We answer around the clock and stock the parts most furnaces need.
Schedule repair →Gas and electric furnaces matched to your home and budget — quoted flat, never hourly.
Get an estimate →The Northwest's favorite two-in-one: efficient heat in winter, cool air in summer.
Learn more →Perfect for additions, garages, and homes without ducts. One room or whole-home zones.
Learn more →Filtration, humidifiers, and UV purification for cleaner air and fewer allergy days.
Learn more →21-point inspections that catch small problems while they're still cheap.
See the Comfort Club →Full heating or cooling tune-up, filter check included. Plus, get $500 off any new system this season. New customers, one per home.
We started with one van in Redmond. Twenty-seven years later we run a small fleet — and we still answer our own phones.

Members get two tune-ups a year, priority scheduling, and 15% off repairs. New systems start at $89/month with 0% APR financing for 18 months, on approved credit.
"Furnace died on the coldest night of the year. Tech arrived by 9 AM, had the part on the truck, and the quoted price was the final price. Rare these days."
"Got three bids for a heat pump. Summit was the only one who measured the house instead of guessing — and the middle price. Install crew was tidy and fast."
"The text updates are great — I knew exactly when the tech was on his way, with his name and photo. AC fixed in one visit."
"Comfort Club member for six years. They've caught two problems during tune-ups that would have been weekend emergencies. Worth every penny."
"Booked online at 10 PM, confirmed by text in the morning, fixed by lunch. This is how every service company should work."
"Our ductless install took one day and the house has never been more comfortable. They even taught us the remote before leaving."

Not furnaces. Not compressors. Evenings that feel like this — a home that's simply the right temperature, in every room, in every season, without thinking about it.
This page isn't a brochure — it's a booking machine. Every feature below exists to turn an Eastside homeowner with a dead furnace into a scheduled visit, and a one-time repair into a customer for years.
Furnaces quit at 11 PM, not during office hours. The booking form takes the job while the phones are dark — that's a repair a competitor's voicemail lost.
The number sits at the top, the bottom, and one thumb-tap away everywhere between. A homeowner with no heat doesn't go hunting for it — every extra tap costs calls.
1,300+ reviews sit right beside the booking buttons, not buried on a testimonials page. Trust placed at the moment of choice turns a maybe into a booked visit.
AC repair, heat pumps, ductless — Redmond, Bellevue, Sammamish — each service and each town gets its own way in, so Google sends the right homeowner to the right offer.
The chat in the corner answers the 9 PM shopper whose AC just died — capturing the lead the phone never hears about, and booking it before morning.
The membership isn't a footnote — it's pitched right here, with prices. One repair becomes two tune-ups a year, front-of-line priority, and a customer who never shops around.
Don't see your town? Call us — if we can't help, we'll tell you who can.
Our diagnostic visit is $89 — and it's free if you approve the repair. You'll get a flat-rate price in writing before any work starts, so the final bill is never a surprise.
Most days, yes — especially for no-heat and no-cool calls. Comfort Club members get front-of-line priority. Emergency service runs 24/7, including holidays.
Every home is different, but most full systems land between $8,500 and $16,000 installed — with financing from $89/month and 0% APR for 18 months on approved credit. Estimates are free and good for 30 days.
New equipment carries a 10-year manufacturer parts warranty; our labor is covered for 2 years (lifetime workmanship guarantee on installations). Repairs are warranted for 2 years, parts and labor.
Absolutely — we work on all major brands. A lot of our longest customers started with a repair on somebody else's system.
Phones are answered by our own team in Redmond — day, night, weekends, holidays.
📞 (425) 555-0147
✉️ [email protected]
📍 1420 Example Ave, Redmond, WA 98052
Office hours: Mon–Sat 7 AM – 8 PM
Emergency service: 24 hours, every day
WA Contractor License #SUMMIC917JD
Pay an invoice from Summit Comfort Heating & Air. You will get a receipt by email.
Demonstration only — no payment was taken. On the live site, this page connects to the business’s payment provider and the receipt is emailed automatically.
Example website. The business shown here is fictional. This site is an example built by Tarsus Partners LLC to demonstrate design and features — no real products, services, bookings, orders, donations, or payments are offered or processed here.
Your customer portal: book and manage appointments, approve estimates, see every past job at your property, and view and pay invoices — plan status included.
Demonstration only — no account was created and nothing was stored. On the live site, this is where customers sign in to their portal.