Looking for an energy auditor in Los Altos Hills, CA? Describe your project once and up to three certified energy auditors who work in Los Altos Hills and Santa Clara County get back to you with a quote. It's free and there is no obligation.
Los Altos Hills is home to about 8,435 people (2024 Census Bureau estimate), a stable community (−0.9% since 2020). With 930 people per sq mi, it is a semi-rural area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Los Altos Hills at a glance
- Population (Census Bureau estimate, 2024)
- 8,435 (−0.9% since 2020)
- Rank in California
- 387th of 482 cities and towns
- Land area
- 9.1 sq mi
- Population density
- 930 people per sq mi (semi-rural)
- Type
- Town (Los Altos Hills town)
- Main county
- Santa Clara County
What to check before hiring in Los Altos Hills
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in California, check your utility's programs before booking: some require their own approved auditors.
- Test-in, test-out: a blower door test before and after upgrades shows the result.
- Price drivers: home size, tests included and report detail.
Useful official resources
-
ENERGY STAR
Energy efficiency guidance for homes.
-
RESNET
Find a certified HERS rater.
Services available in Los Altos Hills
-
Home energy audit
Whole-home assessment with blower door test and infrared scan, with a prioritized list of upgrades.
-
HERS rating
HERS Index rating of a new or existing home by a RESNET-certified rater, for code compliance or programs.
Frequently asked questions in Los Altos Hills
How much does an energy audit cost in Los Altos Hills, CA?
It depends on the home and the tests. Describe your home: auditors who serve Los Altos Hills reply with a quote.
How long does it take?
Usually two to four hours on site.
Will the auditor sell me upgrades?
Some do; an independent auditor gives a neutral list.
Which certified energy auditors will contact me?
Up to three independent certified energy auditors who serve Los Altos Hills and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.