O & W Heating and Cooling and Furnace, boiler, water heater install & repair
Milwaukee, WI Furnace Repair · #2 of 4
Overview
O & W advertises furnace repair and diagnostics with same-day service. The website lists a 6-Year labor warranty. The company notes after-hours and weekend emergency response options. O & W references gas furnace and boiler work for Milwaukee's cold winters.
Furnace repair and diagnostics in Milwaukee, focused on emergency no-heat calls. Same-day emergency response is advertised, with after-hours availability. Labor warranty of 6-Year is listed on the site. Services include furnace repair and install, plus tankless water heater work for Rinnai and Bradford White.
Score breakdown
Above the Milwaukee, WI Furnace Repair average of 78/100. Ranks #2 of 4 listed Furnace Repair providers in Milwaukee, WI.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Milwaukee average
| Signal | O & W Heating and Coo… | Milwaukee avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 78/100 | +2 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.2 vs avg |
| Review volume | 225+ | 415+ | -192 vs avg |
Pros
- High Google rating (4.9★ across 225+ reviews)
When to choose them
- You need no-heat / emergency furnace repair
- You need furnace tune-up & maintenance
- You need same-day or after-hours service
Services
Service area
Guarantees & credentials
- 6 year warranty
- Satisfaction Guaranteed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of O & W Heating and Cooling and Furnace, boiler, water heater install & repair?
When should I choose O & W Heating and Cooling and Furnace, boiler, water heater install & repair?
What is the Vouched Score for O & W Heating and Cooling and Furnace, boiler, water heater install & repair?
How can I contact O & W Heating and Cooling and Furnace, boiler, water heater install & repair?
What does furnace repair service typically cost when working with a Milwaukee, WI provider like O & W Heating and Cooling and Furnace, boiler, water heater install & repair?
Does O & W Heating and Cooling and Furnace, boiler, water heater install & repair do Furnace Repair in Milwaukee, WI?
Does O & W Heating and Cooling and Furnace, boiler, water heater install & repair do Emergency HVAC Service in Milwaukee, WI?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
O & W Heating and Cooling and Furnace, boiler, water heater install & repair (this company) |
79/100 | 4.9★ (225+) | — |
| 72/100 | 4.8★ (120+) | 80+ | |
Nimmer Heating & Air Conditioning, Inc. ⭐ Highest Vouched Score · ⭐ Most Transparent Pricing · ⭐ Best for Commercial Furnace Repair |
91/100 | 4.9★ (1,000+) | 40+ |
| 77/100 | 4.8★ (295+) | 20+ |
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Profile last updated July 26, 2026.