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Welzig Mechanical

Heat pump installer working in Boulder.

  • Boulder publishes no contractor license list we can check

15 heat pump jobs on Boulder permits, 2022 to 2026. 24th most heat pump permits of 81 contractors in Boulder.

What the public records show

From the city's permits, one question at a time.

QuestionRecords showMark
Licensed?Boulder publishes no contractor license list we can checkThat says nothing about this business either way.Ask them
Jobs on record15 heat pump jobs on Boulder permits, 2022 to 2026Every permit we have for them is heat pump.24th most heat pump permits of 81 contractors in Boulder. That counts jobs, not quality.Our Boulder permit records cover September 2021 to September 2026.Of their 15 heat pump permits, 5 mention ductless or mini-split units, 2 mention a furnace.

Records: City of Boulder permits.

Cost and timing

Permit value (not a price)

Their typical permit lists $9,700 (half list more, half less)

That is the figure written on the permit form, which can be far from what you pay. What heat pump jobs cost in Boulder.

Get 2 or 3 written quotes.

Track record

4 jobs in the last 12 months, up from 2 the year before

Q2 2022: 1 jobQ3 2022: 2 jobsQ4 2022: 1 jobQ3 2023: 1 jobQ1 2024: 1 jobQ2 2024: 3 jobsQ1 2025: 1 jobQ2 2025: 1 jobQ1 2026: 1 jobQ3 2026: 3 jobsBusiest: 3 jobsBusiest: 3 jobs2023202420252026
Each bar is 3 months of permits. The tallest is 3 jobs, April to June 2024. Across Boulder, all contractors together had 89% more heat pump jobs in the last 12 months than in the 12 months before.

Where they work most

  • 803048 jobs
  • 803023 jobs
  • 803052 jobs
  • 803032 jobs

Latest jobs

Permit values are what the contractor wrote on the permit form, not what the owner paid.

DateWorkZIPOn the permit form
Sep 14, 2026Heat pumpReplace existing a/c system with a new 15.2 SEER2, 3 ton heat pump system80304$18,818
Aug 6, 2026Heat pumpInstall new 16 SEER2, 2 ton heat pump system80305$13,000
Jul 6, 2026Heat pumpReplace existing furnace with a new 97% AFUE, 80,000 btu/hr furnace80304$11,540
Mar 12, 2026Heat pumpInstall 1.5 ton, 25 SEER multizone mini split heat pump with (2) high wall indoor units80302$9,965
Apr 4, 2025Heat pumpInstall new replacement 25 SEER, 1 ton mini split heat pump, with 1 high wall indoor unit80302$5,275
Jan 16, 2025Heat pumpReplace (2) A/C systems with 4 ton, 17 SEER heat pump system and a 3 ton, 17 SEER heat pump system80303$11,491
Jun 4, 2024Heat pumpReplace current with new 5 ton 24 seer heat pump80304$7,147
Jun 3, 2024Heat pump***Permit Voided - No inspections call within 180 days*** Replace current mini split with new 25…80302$3,667
May 2, 2024Heat pumpInstall heat pump 24 seer 3 ton80304$7,288
Feb 26, 2024Heat pumpReplace current furnace with new 98.3% afue 120,000 BTU furnace and replace heat pump with new 5…80304$10,946
Sep 12, 2023Heat pumpInstall 3 multizone heat pump, 23 seer 30k BTU80304$9,932
Nov 29, 2022Heat pumpReplace existing a/c system with new 3 ton, 24 SEER heat pump80304$8,460
Aug 9, 2022Heat pumpInstall new 2 ton, 23 SEER multi zone mini split heat pump with (3) high wall indoor units80303$7,750
Aug 9, 2022Heat pumpInstall new 3 ton, 21.5 SEER Multi zone heat pump with (3) high wall indoor units80304$9,700
Jun 28, 2022Heat pumpInstall new mini split multi zone heat pump with (2) high wall indoor units80305$8,025

What to ask before you hire

About Welzig Mechanical

  • Ask for their license number and check it with the state.
  • Ask what the warranty covers and for how long, in writing.
  • Search their name on the Better Business Bureau site, and read their reviews.

Worth asking any heat pump installer

  • Can you show me proof of liability insurance and your bond?
  • What size unit, and did you measure the house to choose it?
  • Do my ducts or my electrical panel need work first?
  • Who pulls the permit, and what rebates apply?

Get a quote from Welzig Mechanical

Five quick questions. We pass your request to Welzig Mechanical.

You decide who to hire. Your details go only to the contractors you pick. How we use your details

1. Where is the job?

We match contractors who work near it. We never ask for your street address.

2. What do you need?

Pick any that fit.

3. When do you want to start?
4. What is your rough budget?

A range is fine. It helps contractors reply with a real number.

5. Where should we send it?

Your contact details go only to who you pick here.

Sent. We have your request.

We pass it to Welzig Mechanical. Replies usually come within a few days.

Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.

Open your job room

More heat pump installers near 80304 and 80302

See all 81 heat pump installers in Boulder, ranked by jobs

Run this business? Claim this page to get requests by email and reply to homeowners here.

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