Looking for an energy auditor in Ithaca, NY? Describe your project once and up to three certified energy auditors who work in Ithaca and Tompkins County get back to you with a quote. It's free and there is no obligation.
Ithaca is home to about 33,768 people (2024 Census Bureau estimate), a growing community (+5.2% since 2020). With 6,265 people per sq mi, it is a densely built-up area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Ithaca at a glance
- Population (Census Bureau estimate, 2024)
- 33,768 (+5.2% since 2020)
- Rank in New York
- 20th of 595 cities and towns
- Land area
- 5.4 sq mi
- Population density
- 6,265 people per sq mi (densely built-up)
- Type
- City (Ithaca city)
- Main county
- Tompkins County
What to check before hiring in Ithaca
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in New York, 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
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ENERGY STAR
Energy efficiency guidance for homes.
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RESNET
Find a certified HERS rater.
Services available in Ithaca
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Home energy audit
Whole-home assessment with blower door test and infrared scan, with a prioritized list of upgrades.
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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 Ithaca
How much does an energy audit cost in Ithaca, NY?
It depends on the home and the tests. Describe your home: auditors who serve Ithaca 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 Ithaca 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.