We specialize in healthy, comfortable, and energy-efficient homes energy-efficient homes

Schedule a consultation or give us a call: (209) 728-4921

Our Services

The latest building science turned into modern construction procedures.

Insulation and Air Sealing
Insulation and Air Sealing
Air Consitioning (HVAC)
Inverter Air Conditioning (HVAC)
Crawl Space Encapsulation
Crawl Space Encapsulation
Fujitsu Mini-Split Systems
Fujitsu Mini-Split Systems
Indoor Air Quality
Improving Indoor Air Quality
Moisture and Mold Prevention
Moisture and Mold Prevention

See an overview of all our services

Net-zero building

Proof of Concept

Habitat for Humanity House

A new home that gets amazingly close to net-zero at nearly the same cost. An 8-panel solar array paid for 92% of the yearly utility bills and cost only 3% more to build.

See Case Study

The Danielsen Method

Building science has come a long way in the last 20 years. We are experts in applying the latest advances correctly in our work - for both new buildings and retrofits.

Tom Danielsen has worked in construction and energy management for 30 years. By constantly observing and practicing new techniques in the building industry, he has optimized his workflow and became an experienced home performance specialist.

Schedule a consultation

or give us a call: (209) 728-4921

Tom Danielsen - Contractor from Angels Camp, California

We are located in Angels Camp, California

Proudly serving the Sierra Foothills

Angels Camp Murphys Arnold Big Trees Jackson San Andreas Valley Springs Copperopolis Forest Meadows Farmington Calaveras County Gold Country Highway 4
Located in Angels Camp, CA

Are you already working with another builder?

We advise homeowners on how to ask the right questions if they already hired other construction companies or plan to do so.

With all the information and opinions that are out there about home we help you navigate the building process.

Call us: (209) 728-4921

Schedule a consultation

What our clients say

They were very professional and friendly, very clean (hardly any mess at all), and got the work done on time and budget."

William E. from Murphys, CA

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Tom runs a professional company that has the manpower to do the job and the attitude to make it simple and fun for everyone!"

Tommy R. from Morro Bay, CA

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I highly recommend and trust Tom and his crew."

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Robin O. from San Jose, CA

Tom gave our little project a lot of thought, and because of his efforts we ended up with a much better product at a very fair price."

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Scott B. from Angels Camp, CA