Blue Diamond Heating and Air
San Diego, CA Furnace Replacement · #7 of 7 · NATE-certified
ⓘ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
NATE-certified
Review sentiment: 95/100
At a glance
- Google rating
- 5.0★ from 105+ reviews
- Services
- 2 Furnace Replacement services
- Service area
- San Diego, CA + 1 nearby
- Phone
- +1-619-586-6137
Overview
Editorial review
Furnace replacement is listed as a core service at Blue Diamond Heating and Air.
Furnace replacement and installation services across San Diego, focused on home heating changeouts. NATE-certified technicians are listed on their credentials page. Same-day emergency response is advertised for heating problems. Financing options and free estimates are advertised on their site.
Vouched Score breakdown — 72/100
San Diego, CA Furnace Replacement average is 82/100. Ranks #7 of 7 listed Furnace Replacement providers in San Diego, CA.
Editorial Review
63
48%
Google Rating
100
18%
Local Search Rank
39
10%
Review Sentiment
95
16%
Google Review Volume
55
10%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Blue Diamond Heating and Air compares to the San Diego average
| Signal | Blue Diamond Heating and Air | San Diego avg | Delta |
|---|---|---|---|
| Vouched Score | 72/100 | 82/100 | -10 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 105+ | 1,485+ | -1383 vs avg |
What customers say
Reviewers praise:
punctualityclean installationstransparent proposalsfast response
Pros
Verified strengths
- High Google rating (5.0★ across 105+ reviews)
Self-reported on their website — not independently verified.
- NATE-certified technicians
- Background-verified team
- Emergency response: same-day
- Financing available
- Free estimates
When to choose them — and when to consider alternatives
Choose them if
- You need same-day furnace replacement
- You need same-day or after-hours service
- You need to finance the work
- You prefer a family-owned operation
- You want NATE-certified technicians
Consider alternatives if
- You want a BBB-rated firm specifically
Services
- Furnace Replacement
- Emergency HVAC Service
Service area
San Diego, CA home · Replacement San Diego, CA home
Guarantees & credentials
- Bonded and Insured
- NATE-certified
- 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
📞
🌐
📍
🕒
Call for hours
Frequently asked questions
What are the pros of Blue Diamond Heating and Air?
Based on public records and customer reviews: High Google rating (5.0★ across 105+ reviews); NATE-certified technicians; Background-verified team; Emergency response: same-day; Financing available; Free estimates.
When should I choose Blue Diamond Heating and Air?
Choose them if: You need same-day furnace replacement; You need same-day or after-hours service; You need to finance the work; You prefer a family-owned operation; You want NATE-certified technicians.
When should I consider alternatives to Blue Diamond Heating and Air?
Consider alternatives if: You want a BBB-rated firm specifically.
What is the Vouched Score for Blue Diamond Heating and Air?
72/100. Top contributing signals: Google Rating 100/100+ Review Sentiment 95/100, Llm Score 63/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How can I contact Blue Diamond Heating and Air?
Call Blue Diamond Heating and Air at +1-619-586-6137. Address: 1110 Tourmaline St, San Diego, CA 92109, USA.
What does furnace replacement service typically cost when working with a San Diego, CA provider like Blue Diamond Heating and Air?
Full gas furnace replacement typically runs $3,350–$7,250, and high-efficiency condensing furnace runs $5,000–$10,550 in San Diego, California. These are area-wide market estimates, not Blue Diamond Heating and Air's quotes. For an exact price, request a written estimate from Blue Diamond Heating and Air.
What pricing terms does Blue Diamond Heating and Air publish on their website?
Blue Diamond Heating and Air's website publishes: Free estimates. Promotions and plans change — confirm currently-available terms with Blue Diamond Heating and Air before acting.
Does Blue Diamond Heating and Air do Furnace Replacement in San Diego, CA?
Yes. Blue Diamond Heating and Air lists Furnace Replacement among its services and serves San Diego, CA and Replacement San Diego, CA. Call +1-619-586-6137 for a quote.
Does Blue Diamond Heating and Air do Emergency HVAC Service in San Diego, CA?
Yes. Blue Diamond Heating and Air lists Emergency HVAC Service among its services and serves San Diego, CA and Replacement San Diego, CA. Call +1-619-586-6137 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Blue Diamond Heating and Air (this company) |
72/100 | 5.0★ (105+) | — | — | — | — |
| 80/100 | 4.9★ (390+) | 45+ | — | — | — | |
| 87/100 | 4.9★ (1,720+) | 50+ | — | — | — | |
| 75/100 | 4.8★ (235+) | 12+ | — | — | Best for Honest Replace-vs-Repair Best Manufacturer-Authorized Installer |
Listed in
Explore more
Profile last updated July 19, 2026.