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Product Lines

American Standard Heating & Cooling

Coleman Heating & Cooling

Daikin Heating & Cooling

Mitsubishi Heating & Cooling

Navien Tankless Water Heaters

Bradford White Water Heaters

Honeywell Home Products

RGF Products Indoor Air Quality

Reviews

Susan R.

We just had a new furnace installed by Karl from Legacy One. From the initial bid to the final install everything went very smoothly. He was …

Yasemin T.

My heater was acting up and I was searching for a good company on yelp. Many companies were closed or were not available. Karl came …

Lee N.

I found Karl by the YELP reviews, I’m a property manager and he’s done an amazing job for me at every home I’ve sent him to. …

Jeannie C.

Legacy One has been a wonderful company for us! Eric came in to fix an old igniter in our fireplace. Not only did he do a …

Pam S.

Had Legacy One Heating come out to service/repair the furnace. Eric was great. Very personable and knowledgeable. Explained the basics of how it works and what …

Tom H.

Friendly, professional, competent, competitive, great service.

Joseph M.

I work for an established company (since 1910). We had a Convertible Air Handler fail on us (during the freeze non the less). Requested 3 quotes …

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Serving Mukilteo, WA and Surrounding Areas

(425) 374-7052