His first job in the energy industry was assembling trailer burners for heating roofing tar. He became a NJ licensed high pressure steam engineer running 500 psi boilers at a chemical plant. While studying for a Master’s degree in Teaching at Montclair State University, he ran high pressure boilers at night as a Red Seal Stationary Operating Engineer. After achieving the position of Superintendent of Buildings and Grounds, he taught HVAC and Refrigeration at Passaic County Manpower, Union County Vocational Center and Pemberton Schools.

At the same time he was teaching air conditioning, refrigeration, oil and gas burner service as a NJ certified professional teacher, he started Ares Incorporated as a Lennox heat pump, heating and cooling contractor. Fedders Corporation then assigned him as their National Training Manager to travel throughout the United States to train 2500 contractors  in the proper installation and repair of heat pumps, as well as the full line of products. He co-authored the Fedders rotary compressor manual.

He is a graduate of RCA Automation Electronics, certified Lennox, Fedders, Carrier, and York products HVAC and Heat Pump Specialist as well as certified in Weil-McLain, Hydrotherm boiler service. He has a Bachelor of Arts from Fairleigh Dickinson University and a Master of Arts in Teaching from Montclair State University.

When Fedders moved to Illinois, Harold accepted the position of Director of Education for IBR schools. While in that position, he co-authored the H-22 heat estimation guide that boiler manufacturers presently use to teach heat estimation, and he created and wrote the IBR Oil Controls and Gas Controls course guides that became the basis for courses offered in the industry. While teaching the I=B=R Course, Advanced Course, Controls Course, and others at 40 locations a year throughout the continent, he increased the attendance of I=B=R schools from an average of 800 annually in the previous decades to over 1000 students a year for a decade, drawing in a quarter million dollars in attendance each year to support the Hydronic Institute salaries. Since the temporary closing of the I=B=R schools in 1994, attempts to revitalize the schools using other popular part-time, inexperienced, unlicensed vocational instructors have proved unsuccessful.

In 1981, he created one of the first commercially available IBR heat loss and gain calculation computer programs, and thereafter, the widely-used HeatPro HVAC estimating computer program. Harold used and tested his computer programs while working full-time for five years as a supplier salesperson behind the counter and at the desk to estimate, specify and supply HVAC equipment at Atlantic Plumbing Supply and other New Jersey suppliers.  Several thousand contractors and suppliers use the program daily to estimate boiler, furnace, radiation and snap duct sizes. A problem (for sales managers) with using accurate heat estimate programs is that they show that most homes less than 2000 sq ft in area use less than 50,000 btuh.

He now works as a free-lance technical writer creating computer-based education CD’s. Some of his computerized multimedia courses include hydraulics, pneumatics, robotics, and automation. He assembled and edited the recent Energy Business Management Manual for John Sibarium. He can be found answering technical HVAC programs on HeatPro.us, Boileroom.com, and BobVila.com