Mountain High Plumbing Inc
Flagstaff, AZ HVAC · #10 of 10 · BBB A+ · 33+ yrs
At a glance
- Google rating
- 4.1★ from 95+ reviews
- In business
- 33+ years
- BBB
- A+
- Services
- 3 HVAC services
- Service area
- Flagstaff, AZ
- Phone
- +1-928-774-3593
Overview
Mountain High Plumbing Inc serves Flagstaff homeowners with comprehensive plumbing and system maintenance solutions. Jim Velez founded the company in 1994, building on decades of experience in the trade. Technicians frequently address complex residential plumbing needs and water heater installations throughout the high-altitude climate of Northern Arizona. Clients consistently highlight the clarity and honesty provided by the service team during diagnostic visits. Their team maintains a long-standing reputation for responsive support across the Flagstaff region.
Mountain High Plumbing Inc performs residential and commercial plumbing services throughout the Flagstaff area. Established in 1994, the company maintains 30+ years of local operational experience. Technicians offer emergency service availability for urgent property needs. The team reports a commitment to quality workmanship and transparent communication on every job site.
Vouched Score breakdown — 70/100
Flagstaff, AZ HVAC average is 80/100. Ranks #10 of 10 listed HVAC providers in Flagstaff, AZ.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Mountain High Plumbing Inc compares to the Flagstaff average
| Signal | Mountain High Plumbing Inc | Flagstaff avg | Delta |
|---|---|---|---|
| Vouched Score | 70/100 | 80/100 | -10 vs avg |
| Google rating | 4.1★ | 4.7★ | -0.6 vs avg |
| Review volume | 95+ | 180+ | -83 vs avg |
| Years in business | 33+ | 28+ | +5 vs avg |
What customers say
"Mountain high plumbing, installed a Navien Tankless Waterheater system at my house. In addition, they did a complete makeover and replumb of my kitchen sink along with installing a garbage disposal. Dave and his partner Cheyenne did all the work in a day. We are so pleased with the quality of work and how everything functions now. My wife and I highly recommend Mountain High Plumbing."
— Stephen Merrin · Feb 18, 2026 · Google Reviews"I’ve used Mountain High for years and have always found them to be ethical in their work and fair with their pricing. Today, my technician, Kliemer, was truly exceptional. He took the time to explain the issue in detail and walked me through the reasons I might—or might not—want to pursue certain repairs. I was expecting a very expensive fix, but he identified a solution that works for my situation. His honesty and…"
— Aliesha Brard · Jan 7, 2026 · Google Reviews"Great Service. Our water pump went out and we had no water. I called around and they provided a fair price and the fastest service. Everyone was helpful and communicated. Kleimer repaired our pump very fast with improved water pressure. We appreciate our water and Mountain High for their great service. Thank you!"
— Flagstaff Mobile Notary And Fingerprinting · Dec 4, 2025 · Google Reviews"I selected Mountain High Plumbing for the plumbing, tankless water heaters, and water filtration system when building my new home. From design, through construction, installation, and early follow-up, they have been quality-focused, detail-oriented, and very responsive. I am very glad to have used them."
— Charlton Wilson · Oct 15, 2025 · Google Reviews"Kleimer from Mountain High Plumbing came in to install new shower fixtures and he saw that the previous owner had installed DIY plumbing near the water main that were a potential hazard. He stayed extra to replace the sharkbites with copper plumbing giving us longevity. He went above and beyond and I would recommend this company and make sure to ask for Kleimer!"
— Daniel U. · Oct 10, 2025 · Google ReviewsPros
- Long-established (33+ years in business)
Self-reported on their website — not independently verified.
- Free estimates
When to choose them
- You value a long-tenured local operator (33+ years in business)
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Flagstaff, AZ home
What Mountain High Plumbing Inc publishes about pricing
Today! Δ Call Us Today to Schedule Your Next Service: License Number: ROC 153084/172028 Contact Us 2000 E 6th Ave, Suite B Flagstaff, AZ 86004 ten.gnibmulphgi 876bd9a4 hniatnuom@ymmiJ Hours of Operation Monday – Sunday 12am – 12am
Contact & hours
| Daily | Open 24/7 |
|---|
Frequently asked questions
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Does Mountain High Plumbing Inc do Emergency HVAC Service in Flagstaff, AZ?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Mountain High Plumbing Inc (this company) |
70/100 | 4.1★ (95+) | 33+ | A+ | — | — |
| 77/100 | 4.9★ (25+) | 10+ | — | — | — | |
| 79/100 | 4.9★ (860+) | 27+ | A+ ✓ | — | — | |
| 80/100 | 4.9★ (40+) | 16+ | A+ | — | — |
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Profile last updated May 16, 2026.