Degree HVAC, Inc.

Diamond Certified Company Report
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Degree HVAC, Inc.
260 SURVEYS
10 CONSECUTIVE YEARS
SINCE NOVEMBER 2016
CERT 2402

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260
Verified Customers
Surveyed
Customer Loyalty
Customer Satisfaction
Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

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  • Diamond Certified Video Player
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Diamond Certified Company Report SUMMARY UPDATE October 2025

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Degree HVAC, Inc.

Rated Highest in Quality and Helpful Expertise for 10 Consecutive Years.

Quick Summary

  • Diamond Certified since 2016
  • Provides HVAC and plumbing services for residential, commercial, and industrial clients in San Mateo County
  • Offers free estimates on furnace and air conditioner installations and replacements
  • Carrier Factory Authorized Dealer

Top News Updated

COMPANY MILESTONES

Degree HVAC, Inc. is celebrating its 20th anniversary in 2025.

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SPECIAL PROMOTIONS

Degree HVAC, Inc. is currently offering several specials, including $175 for a duct inspection and a $700 equipment rebate on heating and cooling replacements.

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Top Survey Responses

From a recent Diamond Certified Survey Response: “They were very informative, they had good recommendations and they got the work done fast. The employees definitely know what they’re doing and I [feel] confident [working with] them.”

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From a recent Diamond Certified Survey Response: “They definitely met my expectations. They were able to figure out my complex [HVAC] system and get it working the way I wanted.”

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Trending Projects

Degree HVAC, Inc. recently installed a new HVAC system for a homeowner in Menlo Park. The client praised owner Rick Lazzarini for being extremely responsive and the company’s technicians for...

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Degree HVAC, Inc.
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Degree HVAC, Inc.

Heating & Air Conditioning
|
San Mateo  Santa Clara Counties
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260 SURVEYS
10 CONSECUTIVE YEARS
SINCE NOVEMBER 2016
CERT 2402

Rated Highest in Quality & Helpful Expertise Performance Guaranteed

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  • Business Practices
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Diamond Certified Researched Articles on Degree HVAC, Inc.

researched article

A recent residential furnace installation by Degree HVAC

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Degree HVAC, Inc. provides a wide range of HVAC and plumbing services for residential, commercial, and industrial clients throughout San Mateo County. In addition to repairing and installing all types of heating, air conditioning, and plumbing systems, the company offers various products and services that are designed to improve indoor air quality.

Owner Rick Lazzarini says much of Degree HVAC’s success can be attributed to its customer-oriented business practices. “Our clients spend the majority of their lives inside their homes, so we believe it’s important to make those spaces as comfortable as possible. Ultimately, we want each customer to end up with a great system that improves their life for a fair price.”

Degree HVAC emphasizes quality control in every aspect of its operations, which Mr. Lazzarini says is important for upholding the high standards set by the company’s owners. “From our office staff to our estimators and field managers, everyone who works here is dedicated to providing excellent services and products. We’ve been able to keep a loyal clientele base over the years, and quality control is a big reason for that.”

Diamond Certified Researched Capabilities on Degree HVAC, Inc.

Service Area

serving area
San Mateo County
Serving San Mateo County

Main Services

Heating & Air Conditioning
  • Ac Tune Ups
  • Air Conditioner Repair
  • Air Conditioning
  • Commercial Air Conditioning
  • Ductless Heating And Cooling Systems
  • Furnace Repair
  • Heat Pump Repair
  • Heating
  • Hvac Installation
  • Hvac Replacement
  • Mini Splits
  • Water Heater Repair

Additional Services

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Company Info

Hours
Mon
08:00 am - 04:30 pm
Tue
08:00 am - 04:30 pm
Wed
08:00 am - 04:30 pm
Thu
08:00 am - 04:30 pm
Fri
08:00 am - 04:30 pm
Sat
Closed
Sun
Closed
Closed
Contact
Degree HVAC, Inc.

Capabilities Table

Company Name
Degree HVAC, Inc.
Managers
Trini Gudino and Rick Lazzarini, Owners
Years in Industry
60+ (Combined)
# of Employees
30
License
886908
Memberships
Green Building Alliance (GBA), Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA)
Founded
2005
Payment Accepted
american express,
discover,
mastercard,
visa

Key Factors

Select Photos From Degree HVAC, Inc.

1 of 23Picture of A technician from Degree HVAC, Inc. meticulously inspects an outdoor air conditioning unit, ensuring optimal performance. This dedication to quality outcomes reflects the company’s highest customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource

 - Degree HVAC, Inc.
A technician from Degree HVAC, Inc. meticulously inspects an outdoor air conditioning unit, ensuring optimal performance. This dedication to quality outcomes reflects the company’s highest customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource
Picture of A technician from Degree HVAC, Inc. meticulously inspects an outdoor air conditioning unit, ensuring optimal performance. This dedication to quality outcomes reflects the company’s highest customer satisfaction ratings. Copyright ©2025 Diamond Certified Resource

 - Degree HVAC, Inc.
Picture of Degree HVAC installed this mechanical piping. - Degree HVAC, Inc.
Picture of Degree HVAC installed this residential furnace and ducting. - Degree HVAC, Inc.
Picture of A tankless water heater installation by Degree HVAC - Degree HVAC, Inc.
Picture of The afternoon sun casts long shadows across the rooftop, highlighting the precision installation by Degree HVAC, Inc. Their focus on quality outcomes ensures optimal ventilation performance. Copyright ©2025 Diamond Certified Resource - Degree HVAC, Inc.
Picture of On a sunlit rooftop, a gleaming network of HVAC ducts is expertly installed by Degree HVAC, Inc., reflecting their recognized expertise and quality focus. Copyright ©2025 Diamond Certified Resource - Degree HVAC, Inc.

Diamond Certified Expert Contributor Advice & Tips

Rick Lazzarini is a veteran of the HVAC and plumbing industries and owner of Degree HVAC, Inc., a Diamond Certified company. He can be reached at (650) 530-0989 or by email.

Rick Lazzarini is a veteran of the HVAC and plumbing industries and owner of Degree HVAC, Inc., a Diamond Certified company. He can be reached at (650) 530-0989 or by email.

Rick Lazzarini: A Joint Venture

By James Florence, Diamond Certified Resource Reporter

REDWOOD CITY — When asked how he became the owner of an HVAC company, Rick Lazzarini says it was a joint venture. “I started Degree HVAC in 2005 with my business partner, Trini Gudino. We originally met in trade school, where we spent five years training to be union pipefitters. One day, I told him I was thinking about starting my own business, to which he replied, ‘Really? So am I.’ One thing led to another and we decided to partner up t...

Read Full Article - Rick Lazzarini: A Joint Venture

Degree HVAC, Inc. Website and External Feeds

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Degree HVAC, Inc. Ratings and Survey Responses (reviews)

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Degree HVAC, Inc.
260 SURVEYS
  • 4.8
  • star image
  • star image
  • star image
  • star image
  • star image
10 CONSECUTIVE YEARS
SINCE NOVEMBER 2016
CERT 2402

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance
Degree HVAC, Inc.

Based in San Carlos, CA

4.8 avg. star score from 260 Verified Customer Phone Survey Responses

(Reviews: Scroll down to read them.)

Our surveys of only verified real customers produce the country’s most accurate ratings of local companies. Degree HVAC, Inc. scored Highest in Quality and Helpful Expertise and passed the credential-based checks to earn Diamond Certified.

A Star Equivalent Score is calculated for each verified customer rating by weighting the 1–10 Quality score, the YES/NO Loyalty (intent to return) score and the YES/NO Helpful Expertise score. If Helpful Expertise wasn’t surveyed or didn’t apply, it’s simply not shown.