Independently Rated Highest in Quality
T w e l f t h
Consecutive Year
Originally Earned:
October 2005
We declare that One Hour Heating & Air Conditioning HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #768
(707) 348-4101

Owner Paul Bigham has worked in the HVAC industry since 1984.

One Hour Heating and Air Conditioning installs and maintains heating and air conditioning (HVAC) systems for residential clients in the Bay Area. As an independently owned franchise of a national corporation, the company has access to thousands of specialty parts and materials, which it uses to handle all types of HVAC problems

Owner Paul Bigham says One Hour Heating and Air Conditioning’s highly trained technicians and comfort advisors can design and upgrade energy-efficient climate control systems to fit any home. “All of our team members participate in ongoing training to keep their mechanical and customer service skills honed. We also guarantee on-time service, which means our customers don’t pay if our technicians don’t arrive during the given time frame.”

One Hour Heating and Air Conditioning offers preventative maintenance programs to ensure customers’ electrical and HVAC systems are operating at peak efficiency, and to ensure the safety of customers’ homes. “We also carry a variety of air quality products that remove allergens and impurities to maintain a healthy living environment,” says Mr. Bigham.

Company Philosophy

“Our main focus has always been our customers, and the key to a happy customer is to understand exactly what they expect, so we’re constantly adapting new ways to improve our service. We consider our customers to be our partners, and we make sure to listen to what they have to say. Every comment and suggestion, no matter how small, helps make us better.”

Serving the Bay Area

Full-Service Heating and Air Conditioning Repair and Installation
Ventilation and Indoor 
Air Quality
Duct Seal and Replacement

All Major Brands

Comparative Summary

Heating and air conditioning companies are always looking for ways to distinguish themselves from their competition, and those that have earned the prestigious Diamond Certified award are already several steps ahead. In addition to its Diamond Certified status, One Hour Heating & Air Conditioning sets itself apart by offering a variety of comprehensive guarantees that are rarely seen in the...

Frequently Asked Questions

Q: How qualified are your employees?
A: "Our technicians are fully qualified to perform all types of HVAC services. One of the benefits of being part of a national franchise is we have access to excellent ongoing training programs. We even do video conferencing with the corporate o...
Q: How does your on-time guarantee work?
A: "We typically set our appointments within a four-hour window. If the technician arrives after the time window has expired, the service is free of charge. For a premium, we also offer appointments within one and two hour timeframes. "
Q: Do you offer any kind of special maintenance programs?
A: "Yes, we offer a club membership that covers comprehensive maintenance for less than $20 a month. Members receive four visits a year: one for heating, one for air conditioning, one for their electrical system and one for plumbing. In addition...

Industry Info

Take simple steps to improve your home’s indoor air quality.
As air-related health issues like allergies and asthma become more prevalent, so does the concern about indoor air quality (IAQ) for homeowners. The symptoms of these health issues can be aggravated by the presence of indoor pollution sources, which...
Findings based on statistically reliable research from 346 surveys

Customer Satisfaction

Survey Question: On a scale of 1 to 10 how satisfied were you with the quality you received?
Chart.

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File

Customer Loyalty

Survey Question: If you needed this product or service in the future, would you use this company again?
Chart.
94%
n = 346

Diamond Certified Qualification

Based on 346 customer surveys, we declare
One Hour Heating & Air Conditioning
has passed all rating steps and has earned
The Diamond Certified Award
No. 768
Continuously qualified since October 2005.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

Janet C. Verified Customer Name
"It works well."
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

Company Capabilities Table

One Hour Heating & Air Conditioning
(707) 348-4101

Mon – Fri: 7am – 7pm
Sat – Sun: 8am – 4:30pm
24-Hour Emergency Service 

Serving the Bay Area

Paul Bigham, Owner
33
75
740999
Liability Insurance, Workers' Compensation
Better Business Bureau
BBB Honor Roll, Franchise of the Year 2008, Franchise of the Year Finalist 2011
1991
Full-Service Heating and Air Conditioning Repair and Installation, Ventilation and Indoor Air Quality, Duct Seal and Replacement
All Major Brands
24,000
Residential
On-Time Guarantee, 100% Customer Satisfaction Guarantee, 2-Year Warranty on Repairs, Customer Satisfaction Warranty on New Equipment Installations
HERO Program, CalFirst & Bank Financing

Photo & Video Gallery

Survey Responses For

One Hour Heating & Air Conditioning

One Hour Heating & Air Conditioning: Average 8.9 out of 10 based on 346 unique customer surveys of customer satisfaction.
Janet C. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did a good job."

"It works well."

Glenn B. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"We were very satisfied with the job they did. We also appreciated the fact that it was completed quickly."

"I really liked his personality. He wanted to find out exactly what we needed and take care of it."

Larry B. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I was impressed with the workers that were marshalled for the job. They worked very efficiently."

"It was an emergency and they got right on it."

Donna M. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were dependable, friendly and professional."

"They did a good job, and took care of the filter as promised."

Linda M. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I have a house warranty with them, for furnace, hot water heater, and air conditioning. I had my water heater die, and they came over and got right on it. I researched the price charged and they were within the price range."

"I really appreciate the fact that every year before winter, they call and come out and check the hot water heater. Before summer, they call and come out to check the air conditioning. And then someone just comes out and checks everything for safety."

Mike P. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did an excellent job, they were prompt, and they did what they said they would do."

"They were very friendly."

Marlene D. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I've used them before, and I have recommended them."

"They were very prompt and returned my calls. They were very responsive and professional."

TonY S. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They did right by me, and the furnace is working great."

"The workmanship was good, and I had no problems. They were friendly, and answered all my questions."

Tim G. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"I was very pleased with the job that was done."

"I would say the fact that they go to the nth degree to make sure everything has been done well."

Larry F. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were on time, professional, and very courteous."

"They completed the job in a timely manner."

Rich H. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were really quick and professional."

"They diagnosed the problem, explained it to me, and made it work. "

Vanessa W. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"They were professional and nice, and they explained everything."

"The workers were really nice, and had a great sense of humor."

Dan J. Verified One Hour Heating & Air Conditioning Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:

"It was easy to communicate and they got the job done immediately. The cost was good."

"They were easy to schedule."

Sarah G. Verified One Hour Heating & Air Conditioning Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:

"They were good and they should use them."

"It was a positive experience."

Francis L. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They did a good job, but they were costly."

"They set everything up fast, and completed the job quickly."

Carol M. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

" It was a routine maintenance. When I turned my radiant on, there was water, so I called. The technician that came out was very nice, and he claimed I needed a water pump. I was a little surprised, but I guess you have to take people at their word."

"The technician was a nice guy."

Edward A. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They were fast, efficient, knowledgeable and helpful. They were a little on the expensive side."

"The customer service was great."

Marcie T. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"I pay for a service twice a year. They check everything before winter, and also before the summer months."

"They stood me up at one point for one of the services, but brought over a $50.00 gift certificate."

Frances R. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"The tech that came out was wonderful, helpful, and responsive."

"They were always prompt."

Bonnie B. Verified One Hour Heating & Air Conditioning Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:

"They do quality work, but they are very expensive. I had recommended them, and he seemed to really overcharge people."

"The quality of their work was very good."