• 1321 17 Mile Rd.
    Cedar Springs, MI 49319
  • (616) 439-3311
  • (616) 439-3315
  • office@engineeredhvac.com

Energy-Efficient Designs for HVAC Systems

We have over 40 years of experience in design – build HVAC systems.

On staff includes Licensed Professional Engineer who is also a credentialed LEED AP and HERS RATER.

Our Staff is excessively involved ANSI standards development and building code involvement.

Our fabrication shop can rapidly fabricate the sheet metal parts needed to install most duct systems.

Engineered Heating & Cooling

Aaron Sedine

A broad range of experience in the HVAC field:
  • Current owner since Nov. 2017
  • Has worked for the company since 1994
  • Worked part time in the sheet metal fabrication shop and then installing ductwork and equipment in new construction projects.
  • Earned his BSME (Bachelor of Science in Mechanical Engineering) from Grand Valley State University in 1998. Began working full time at that time.
  • Is licensed in Michigan as a Professional Engineer (P.E.)
  • Holds a Michigan Mechanical License and a Michigan Boiler License
  • Holds mechanical licenses in Ohio and Indiana as well as in Michigan
  • Is a LEED A.P.
  • Is a RESNET HERS Rater
  • Has attended numerous HVAC/R classes as well as air and water balancing classes.
  • Teaches HVAC installation and service classes as well as WrightSoft HVAC design software classes.
  • Full member of ASHRAE
  • Past President of the West Michigan Chapter ACCA
  • Is a certified Open Water Scuba Diver
  • Holds a Private Pilot License with tailwheel endorsement and Seaplane and IFR certifications. One of the many airplanes he flies is an experimental PA-18 which he built
  • Holds an Amateur Radio License with callsign KD8ZWC
  • Is NASAR Certified (National Association for Search and Rescue
  • Past member of the Kent County Search and Rescue Team
  • Holds certifications in Wilderness Exploration, Survival, Rescue, Wilderness First Aid, Water Rescue, Ropework, and Navigation
Engineered Heating & Cooling

John Sedine

John joined over 40 years ago in 1978 – as its first full-time employee. He purchased the company in 1994.
A prominent figure within the indoor environment, energy efficiency, and building science industries:
  • Chairman of the BOD for the Air Conditioning Contractors of America (ACCA; 2010 – 2011). As an active BOD participant for 13 years, extensively involved in coalition building (industry partners included: AHRI, AMCA, ASHRAE, HARDI, HRAI, IAPMO, IAQA, ICC, NAFA, NAHB, NATE, PHCC, RSES, etc.). Considerable lobbying of congress on behalf of the association and industry.
  •  Member and Former President, Treasurer, and Vice President, Michigan Chapter of Air Conditioning Contractors of America (ACCA).
  • Appointed to Michigan Board of Mechanical Rules by Governor Engler and sat on the board for 8 years. This board has oversight of contractor and inspector licensing, review and implementation of the State of Michigan’s Mechanical Codes, and hears disputes between inspectors, contractors, and building owners over mechanical code enforcement.
  • Past Chairman, Coalition for the Advancement of Fuel Cell Research and Implementation
  • Member, Mechanical Inspectors Association of Michigan. Sat on their Board of Directors for 8 years
  • Member, ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers)
  • Named 2010 Newsmaker of the year by The Air Conditioning/Heating/Refrigeration News
  • Awarded the Spirit of Independence Award by The Air Conditioning Contractors of America in 2013
  • Awarded Volunteer of the year award by (ACCA) 2016
Extensive ANSI standards development involvement
  • Past Member of ACCA’s Standards Task Team;  Helped lead ACCA’s efforts to become an ANSI accredited standards developer.
  • Has served on and chaired numerous standards development committees and played a key role in ACCA’s manual and technical development programs. Direct involvement in the development and maintenance of numerous ACCA standards:
  • ANSI/ACCA 1 Manual D – 2016 (Residential Duct System Design)
  • ANSI/ACCA 2 Manual J – 2016 (Residential Load Calculations)
  • ANSI/ACCA 3 Manual S – 2014 (Residential Equipment Selection)
  • ACCA 4 QM – 2007 (Maintenance of Residential HVAC Systems)
  • ACCA 5 QI – 2010 (HVAC Quality Installation Specification)
  • ACCA 6 QR – 2007 (Restoring the Cleanliness of HVAC Systems)
  • ACCA 9 QIvp – 2015(Quality Installation Verification Protocols)
  • ACCA 10 Manual SPS – 2018 (Mechanical Systems for Swimming Pools and Spas)
  • ACCA 11 Manual Zr – 2018 (Residential HVAC System Zoning)
  • ACCA 12 QH – 2011 (Existing Home Evaluation and Performance Improvement)
  • ASHRAE/ACCA 180 – 2012 (Peak Cooling and Heating Load Calculations in Buildings Except Low-Rise Residential Buildings)
Considerable code involvement
  • Member, ICC (International Code Council) and served on the International Mechanical Code Technical Committee for the last three (3) code cycles.
  • Currently sits on the I.C.C. Plumbing,Mechanical,Fuel ,  Gas, and Swimming Pool Membership Council. 
  • International Association of Plumbing and Mechanical Officials (IAPMO): served on the Uniform Mechanical Code Technical Committee for two (2) code cycles.
  • Member  of Air Conditioning Contractors of America Codes Committee for 10 years.
  • Has Testified as an expert witness on Code Issues
Personal interests and involvements
  • Scuba diving instructor with Scuba Schools International. Is a Divecon instructor and teach technical Nitrox diving and search and rescue. Padi Advanced Certified Diver.
  • Amateur Radio Operator and holds Advanced Class FCC license with callsign KC8NF. Belongs to the Amateur Radio Relay League (ARRL).
  • Teach and proctor a broad range of subjects, including
  • ACCA Manuals J, S, T, and D (ACCA Certified)
  • International Mechanical, Residential and Fuel Gas Codes
  • EPA 608 and 609 refrigerant recovery
  • Wrightsoft HVAC design software
  • Foster parent for 23 years; fostered over 160 children.
  • Holds A Private Pilots License 
  • Enjoys Hunting, Fishing, Traveler and Life in gerneral
  • Member NRA
Experienced in indoor environments and energy efficiency
  • Extensive HVAC knowledge, experience and expertise, from fabrication and installation to system design, service and project management.
  • Holds Michigan Mechanical and Boiler Licenses 
  • B.S. Science Education. Ferris State University
  • Consults with building owners on a wide variety of  HVAC Issues. 

Mike Schulz

Project Manager
  • Has worked for Engineered Heating & Cooling since 1998.
  • Started working in the sheet metal shop as a parts fabricator
  • Worked his way up to head parts lay out then Shop Foreman
  • Advanced to Shop manager which entailed over sight of parts fabrication, ordering purchase parts, managing warehouse, and scheduling deliveries
  • Moved to an open Service and Equipment Start up position and later to Service Manager
  • NATE certified in a number of categories
  • NCI certified in residential and commercial air balance. Performs air balancing, duct leakage testing, and blower door testing
  • Currently works as a Project Manager on various new construction project. Also does bidding, equipment procurement, safety training, and over sees the service and start up department.
  • Mike is an avid upland bird hunter, enjoys family camping, and is an off road Jeep enthusiastoad Jeep enthusiast