Harriman Heating & Air Conditioning
Farmington Hills, MI Furnace Replacement · #3 of 5 · 30+ yrs
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
⏱ 30+ years in business
Review sentiment: 86/100
Overview
Harriman lists furnace replacement and gas-furnace work, with Trane shown among product lines. The company has operated in Metro Detroit since 1996, about 30+ years. In Farmington Hills winters, correct venting and combustion checks reduce freeze and safety risks. The website advertises same-day emergency response for heating failures. Reviews report upfront pricing and thorough maintenance plans from recurring customers.
Furnace replacement and oil-to-gas conversion services for Farmington Hills homeowners. Trane appears as a listed product brand on the company website. Same-day emergency response is advertised for heating failures. Financing options are listed (advertised) for larger changeouts.
Score breakdown
Above the Farmington Hills, MI Furnace Replacement average of 81/100. Ranks #3 of 5 listed Furnace Replacement providers in Farmington Hills, MI.
Editorial Review
79
46%
Google Rating
93
17%
Local Search Rank
64
9%
Review Sentiment
86
15%
Years in Business
100
4%
Review Volume
87
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Farmington Hills average
| Signal | Harriman Heating & Ai… | Farmington Hills avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 81/100 | +2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,695+ | 4,095+ | -2400 vs avg |
| Years in business | 30+ | 48+ | -18 vs avg |
What customers say
Reviewers praise:
upfront pricingcourteous techniciansthorough repairsmaintenance plans
Pros
Strengths
- High Google rating (4.8★ across 1,695+ reviews)
- Long-established (30+ years in business)
When to choose them
- You need same-day furnace replacement
- You need oil furnace replacement & fuel conversion
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,695+ reviews)
Services
Service area
Published pricing
Maintenance plans
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$25 per Month
As published: $25 per Month"…Brands SCHEDULE NOW Maintenance Plans Starting at $25 per Month When your maintenance plan is with Harriman Heati…" -
maintenance plan
As published: maintenance plan"…tenance Plans Starting at $25 per Month When your maintenance plan is with Harriman Heating & Air Conditioning, you…"
Contact & hours
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Call for hours
Frequently asked questions
What are the pros of Harriman Heating & Air Conditioning?
Based on public records and customer reviews: High Google rating (4.8★ across 1,695+ reviews); Long-established (30+ years in business); Emergency response: same-day; Financing available.
When should I choose Harriman Heating & Air Conditioning?
Choose them if: You need same-day furnace replacement; You need oil furnace replacement & fuel conversion; You need same-day or after-hours service; You need to finance the work; You want a top-rated provider with substantial review history (4.8★, 1,695+ reviews).
What is the Vouched Score for Harriman Heating & Air Conditioning?
83/100. Top contributing signals: Years In Business 100/100, Google Rating 93/100, Google Review Count 87/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Harriman Heating & Air Conditioning been in business?
Harriman Heating & Air Conditioning has been operating for 30+ years in Farmington Hills, MI.
How can I contact Harriman Heating & Air Conditioning?
Call Harriman Heating & Air Conditioning at +1-734-271-6200. Address: 20764 Whitlock St, Farmington Hills, MI 48336, USA.
What does furnace replacement service typically cost when working with a Farmington Hills, MI provider like Harriman Heating & Air Conditioning?
Full gas furnace replacement typically runs $2,800–$6,100, and high-efficiency condensing furnace runs $4,250–$8,950 in Farmington Hills, Michigan. These are area-wide market estimates, not Harriman Heating & Air Conditioning's quotes. For an exact price, request a written estimate from Harriman Heating & Air Conditioning.
What pricing terms does Harriman Heating & Air Conditioning publish on their website?
Harriman Heating & Air Conditioning's website publishes: $25 per Month. Promotions and plans change — confirm currently-available terms with Harriman Heating & Air Conditioning before acting.
Does Harriman Heating & Air Conditioning do Furnace Replacement in Farmington Hills, MI?
Yes. Harriman Heating & Air Conditioning lists Furnace Replacement among its services and serves Farmington Hills, MI and Replacement Farmington Hills, MI. Call +1-734-271-6200 for a quote.
Does Harriman Heating & Air Conditioning do Emergency HVAC Service in Farmington Hills, MI?
Yes. Harriman Heating & Air Conditioning lists Emergency HVAC Service among its services and serves Farmington Hills, MI and Replacement Farmington Hills, MI. Call +1-734-271-6200 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Harriman Heating & Air Conditioning (this company) ⭐ Gas Furnace Replacement · ⭐ Oil Furnace Replacement |
83/100 | 4.8★ (1,695+) | 30+ |
| 74/100 | 4.8★ (315+) | 72+ | |
| 79/100 | 4.9★ (1,055+) | 13+ | |
Randazzo Heating & Cooling ⭐ Best for High-Efficiency (95%+ AFUE) Upgrades · ⭐ Best for Furnace + AC Changeout |
85/100 | 4.9★ (2,740+) | 38+ |
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Profile last updated July 26, 2026.