Our Services

Healthy Eco Home Design Planning & Construction Consultations

For new construction and remodels, Jon has over 20 years of expertise in planning design and construction details that will create healthy, eco-friendly spaces. Great attention is paid to spatial and technical details, as well as equipment, materials, and finishes to ensure high quality construction, energy and water conservation, the best possible indoor air quality, reduction of EMFs (electromagnetic frequency), reduction of high frequency radiation, healthy drinking & bathing water, and whole house water filtration for plumbing longevity.

Jon believes the best place to start before buying an existing home or building, or before a remodel, is with a Healthy Home Environmental Inspection and a Home Energy Assessment. These services will help save you potentially thousands of dollars. In buying a property, or planning a remodel, this will give you a realistic picture of the cost for any upgrades, repairs, or remodels. It will help you decide what changes or improvements will give you the best return on your investment, be it financially, physically, or for emotional well being and peace of mind. 


Jon can guide you through Passive & Geo Design techniques for structures that are in harmony with nature, and reduce their environmental impact. Jon enjoys focusing his areas of specialty in EcoNest architecture, Natural Building techniques, and in reuse of Shipping Containers for conversion to home, work, or storage space. 

Building Performance Assessments / Energy Upgrades 

Your House is an Eco System 

ecosystem - "a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving (abiotic), physical components of the environment with which the organisms interact, such as air, soil, water and sunlight"

High energy bills, uneven temperatures from room-to-room, drafts, moisture, mold, mildew, poor indoor air quality, ice dams, pest infestations, seemingly uncontrollable humidity levels and even premature deterioration of building materials can all be the result of a breakdown in the relationship between the systems in your house – the building envelope (shell), heating and air conditioning (HVAC) equipment and you, the occupants.

As with our exterior environment, if one system has a problem, it impacts the other systems’ ability to function properly.  Treating the obvious symptom without knowing the real culprit behind it can actually make the problem worse or create new problems. The process of elimination approach just causes frustration as you try solution after solution – investing more time, money and energy – without resolution.

Properly diagnosing and fixing the root cause requires a house-as-a-system approach based on building science. That’s exactly what Jon Cotham, as a BPI (Building Performance Institute) certified professionals, is trained to do. He will conduct a comprehensive whole-home assessment to find the real problems, then prescribe and prioritize improvements that make the system as a whole function at its best, backed up with a national quality assurance program.

see our Energy Upgrade page for more information

Environmental Inspections

We offer a wide range of inspection services to evaluate your home or work place. We combine extensive training with state of the art testing equipment to find the solution to create your healthy, beautiful home. Inspections include a comprehensive written report with recommendations on how you can improve the health of your home and thereby the health of your family.

see our Inspections page for more information


You have been thinking about your project for a long time, and so will we. Our years of experience have shown us how to keep your life operating smoothly while we transform your home. We do a lot of work up front, including inspections, specifications, and pre-scheduling subcontractors, all to make sure that your project progresses efficiently.

Kitchen Remodeling

The difference between a great kitchen and an average one is in the details. We start with a thorough analysis of your needs so we account for the important details from the start. Our craftsman are experts of wood, stone, water, and electricity providing you with a natural and intuitive cooking experience.


Whether it's adding another story, converting a garage or basement, or just a room enlargement, you'll be in good hands as our experienced crew moves quickly and efficiently to transform your home. We respect your space and work to keep your home clean and safe. Because we focus on efficiency and quality, trusting your addition to us is a safe investment.

Bath Remodeling

We excel at making the most out of small bathrooms. Adding bay windows, expanding into unused closets, opening up with skylights, are just few of the techniques we use to create charming baths.

Deck & Fence

Thinking of building a deck. We specialize in creating outdoor living spaces that are beautiful and functional. Our craftsman are experienced with low maintance recycled deck materials as well as beautiful all natural wood. We use these same durable materials for outdoor fencing to give you lasting beauty and privacy.

Hardwood Floors

A professionally installed hardwood floor gives your home timeless beauty. Our unique relationship with flooring distributors lets us pass on significant savings to you.



We look forward to hearing from you!

805.208.2598   jon@healthyecohome.com

(c)2010 Jon Cotham Construction - CA Lic #661635


 Natural Building Network