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Mountain Valley Plumbing and HeatingHVAC contractor in Longmont, CO

Mountain Valley Plumbing and Heating is an HVAC contractor at 210 Collyer St, Longmont, CO 80501, ranked #14 of 480 HVAC contractors in Longmont and rated 4.9 from 724 Google reviews. Open Monday to Saturday.

Longmont, COUpdated 0 paid placements in any rankingHow we rank

Call (970) 721-1620Website ↗

Key facts

Key facts about Mountain Valley Plumbing and Heating
Address210 Collyer St, Longmont, CO 80501Get directions
Phone(970) 721-1620
Websitemtnvalleyplumbing.com
HoursMonday to Friday: 8 AM – 6 PM; Saturday: 8 AM – 3 PM
Google rating4.9 from 724 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Longmont and 11 towns within 25 miles: Gunbarrel, Erie, Firestone, Frederick, Berthoud, Lafayette, Louisville, Boulder, Superior, Johnstown and Fort Lupton.

Based in Longmont, COView on map

Opening hours

Opening hours for Mountain Valley Plumbing and Heating
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday8 AM – 3 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Mountain Valley Plumbing and Heating compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Mountain Valley Plumbing and Heating (this business)—624.9 (724)—YesNo
IMS Heating & Air, Inc.#12624.8 (1,518)—YesYes13.8 mi
Aire Serv of the Front Range#13625.0 (244)—YesYes7.9 mi
Swan Plumbing Heating & Air Of Loveland#15624.8 (2,466)—YesYes18.6 mi

See all 480 ranked HVAC contractors in Longmont

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 724 Google reviews

Hired Mountain Valley Plumbing and Heating? Write a review

Questions about Mountain Valley Plumbing and Heating

How is Mountain Valley Plumbing and Heating ranked in Longmont?

Mountain Valley Plumbing and Heating is ranked #14 of 480 HVAC contractors in Longmont by CR Score, with 62 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Mountain Valley Plumbing and Heating’s hours?

Mountain Valley Plumbing and Heating is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 6 PM; Saturday, 8 AM – 3 PM. On Saturdays it is open 8 AM to 3 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mountain Valley Plumbing and Heating serve?

Serves Longmont and 11 towns within 25 miles: Gunbarrel, Erie, Firestone, Frederick, Berthoud, Lafayette, Louisville, Boulder, Superior, Johnstown and Fort Lupton. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Mountain Valley Plumbing and Heating?

Mountain Valley Plumbing and Heating has a rating of 4.9 from 724 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Mountain Valley Plumbing and Heating?

Call Mountain Valley Plumbing and Heating on (970) 721-1620. The business is at 210 Collyer St, Longmont, CO 80501. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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