My Guy Heating and Air (Firestone)
Longmont, CO Furnace Replacement · #3 of 4
Overview
My Guy lists furnace replacement and installation experience for Longmont homeowners. The company states same-day emergency response for heating outages. My Guy advertises financing options for high-ticket system changeouts. Local winters in Longmont increase demand for reliable gas-furnace commissioning and prompt service.
Furnace replacement and installation specialist serving Longmont and Firestone homeowners. Emergency response: same-day service advertised. Financing: company website lists financing for installations. Experience: My Guy states over a decade of HVAC work in Northern Colorado.
Score breakdown
Above the Longmont, CO Furnace Replacement average of 80/100. Ranks #3 of 4 listed Furnace Replacement providers in Longmont, CO.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Longmont average
| Signal | My Guy Heating and Ai… | Longmont avg | Delta |
|---|---|---|---|
| Vouched Score | 82/100 | 80/100 | +2 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 1,110+ | 835+ | +274 vs avg |
Pros
- High Google rating (4.9★ across 1,110+ reviews)
When to choose them
- You need same-day furnace replacement
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.9★, 1,110+ reviews)
Services
Service area
Contact & hours
Frequently asked questions
What are the pros of My Guy Heating and Air (Firestone)?
When should I choose My Guy Heating and Air (Firestone)?
What is the Vouched Score for My Guy Heating and Air (Firestone)?
How can I contact My Guy Heating and Air (Firestone)?
What does furnace replacement service typically cost when working with a Longmont, CO provider like My Guy Heating and Air (Firestone)?
What pricing terms does My Guy Heating and Air (Firestone) publish on their website?
Does My Guy Heating and Air (Firestone) do Furnace Replacement in Longmont, CO?
Does My Guy Heating and Air (Firestone) do Emergency HVAC Service in Longmont, CO?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
My Guy Heating and Air (Firestone) (this company) |
82/100 | 4.9★ (1,110+) | — |
Mountain Valley Plumbing and Heating ⭐ Best for High-Efficiency (95%+ AFUE) Upgrades |
84/100 | 4.9★ (875+) | 19+ |
| 74/100 | 4.9★ (150+) | 46+ | |
| 78/100 | 4.8★ (860+) | 10+ |
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Profile last updated July 28, 2026.