1516 45th Street East, Sumner, WA · 1.5 mi
HVACPhone listedWebsiteSource: OSM
HVAC
MM Comfort Systems
HVAC contractor in Sumner, Washington
- Category
- HVAC
- Address
- 13701 24th Street East, Sumner, WA 98390
- Website
- mmcomfortsystems.com
- Data checked
- November 6, 2026 (OpenStreetMap)
Before You Hire
Facilities usually schedule HVAC contractors at least twice a year, before cooling and heating seasons. Ask:
- Do you take commercial work, and do you service buildings like ours?
- Can you send a certificate of insurance naming us as additional insured?
- Are your technicians EPA Section 608 certified to handle refrigerant?
- Do you service our equipment type and brand (rooftop units, chillers, boilers)?
- What does a service agreement include, visit by visit?
Hiring Tips
- Change filters on a schedule set by your dust load, often every 1–3 months.
- Keep a list of every unit with its model, serial number and age.
- Compare repair quotes against the unit's age before replacing it.
Getting several quotes? Line them up in the quote comparison tool and check the contract checklist before you sign.
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