Northstar plumbing, heating and air conditioning

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Licensed

This pro has verified their business license with Thumbtack.

Licensed

This pro has verified their business license with Thumbtack.

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Client provides disposal?

Responds in about 2 hours

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Why this pro?

Customers describe this pro as responsive, professional, and punctual, and they provide central air conditioning, water heater, and heating system repair and maintenance services. They've been in business for 17 years.

Summarized from the pro's profile. Review their profile for the latest.

About

At GreenComfort, we’ve spent 18 years helping homeowners and businesses stay comfortable with reliable, fairly priced HVAC and plumbing services. We use premium materials, work efficiently, and keep our rates and diagnostic fees competitive—plus we provide free estimates on replacements and honest second opinions. Our licensed HVAC and plumbing contractors are drug-tested and background-checked, so you can feel confident about who’s in your home or business. We serve both residential and commercial properties; for rentals, we simply ask for owner approval and can help coordinate communication. Most calls qualify for same-day service, and we offer preventative maintenance along with repairs and installations. Winter special: For just $19.95, we’ll send a certified HVAC technician to perform a full heating system diagnostic and recommend the best solutions. Call GreenComfort today and let us earn your trust for the long term.

Overview

Current Top Pro

Hired 1040 times

Serves Upland, CA

Background checked

License verified

12 employees

18 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash, Check, and Credit card.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

2019

Credentials

License verified

C36 – Plumbing Contractor

License state: CA

Background checked

Passed by David Garcia on Apr 28, 2021.

Services offered

Project type

Disposal type

Continuous feed (common)

Batch feed

Projects and media

Reviews

Customers rated this pro highly for professionalism, responsiveness, and work quality.

Good 4.3

304 reviews

5

75%

4

6%

3

4%

2

3%

1

12%

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Read reviews that mention:

Jesse P.

Sep 21, 2026

•

Hired on Thumbtack

Frank was awesome, explained all issues, and made the necessary repairs quickly.

Central Air Conditioning Repair or Maintenance

Ellison P.

May 27, 2026

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Hired on Thumbtack

I was impressed with the manager Jack. He really cares about customer satisfaction and company reputation. Would give business in the future.

Details: Repair • Only warm air is blowing from the vents • Outside • Townhouse • Owner

Central Air Conditioning Repair or Maintenance

Marc m.

Aug 13, 2026

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Hired on Thumbtack

Jesus was clear, took time to ensure all basis were covered. Efficient and economical. Will add to speed dial!

Central Air Conditioning Repair or Maintenance

Wendy S.

Jan 27, 2017

•

Hired on Thumbtack

David was very professional and polite. He clearly knew what he was doing. My one complaint was the outrageous price, close to $500 to replace a garbage disposal. I believe I could have found a more reasonable price if I had looked around, but I wanted to get it done

Plumbing Inspection

Joseph I.

Jul 31, 2026

•

Hired on Thumbtack

Work quality is great, but I’m still waiting for my receipt and warranty for the work done still haven’t received it!

Details: Repair • No hot water • Gas tankless • Garage • House

Water Heater Repair or Maintenance

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
We except all forms of payment, and financing on approved credit. We offer senior and veteran discounts (not combined). We offer low diagnostic fee, free estimates on replacement, and many other services.
What is your typical process for working with a new customer?
We set an in home appointment to see the scope of work. From there we give options on the service needed whether its repair or replacement with up front, flat rate pricing.
What education and/or training do you have that relates to your work?
All of our technicians / installers have been in the HVAC/plumbing industry 10+ years, with half being 20+ years. Our field staff is cross trained in plumbing and HVAC so any needs you might have we have a 1 stop shop without having multiple technicians out to your home!

Northstar plumbing, heating and air conditioning

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