Eric Kjelshus with Eric Kjelshus Energy Heating and Cooling will be training on heat loss and what size ducts are needed for HVAC in a building.  Eric teaches the best Practice in HVAC and Building Science.  80% of all HVAC new installs now do not have return to make it work.  Eric also teaches the ABC Attic Basements (crawl space like a basement) then conditioning the air.

About Eric Kjelshus
Eric Kjelshus Energy and Heating Cooling has been providing heating and air conditioning services in the Kansas City area since 1972.  His expertise includes residential & commercial heating and air conditioning, solar power installation & service, energy audits and assessments, weatherization, insulation & energy efficiency and conservation through the implementation of energy saving techniques, installation of Energy Star Qualified equipment and renewable energy, such as solar & geothermal.  
Certifications:
BPI GoldStar Contractor – Eric Kjelshus is a BPI GoldStar Building Analyst
N.A.T.E. Certified Technicians – Gas Furnaces, Air to Air Heat Pump, Ground Source Heat Pumps, Air Distribution, Air Conditioning, Oil Furnaces, Service & Installation
National Balancing Institute – HVAC Airflow Diagnostics & Air Balancing
Refrigeration Service Engineers Society – Heat Pumps Service Technician
Block Master Mechanical – Master Pipe Fitter & HVAC & Refrigeration Supervisor
Building Performance Institute – Carbon Monoxide Analyst & Building Analyst
Missouri Heat Pump Association – Heat Pump Certification Program
Spire Gas Energy Preferred Professional Contractor
EVERGY Preferred Professional Contractor
Energy Star with Home