Service

Jacob Miller

Service Leader

Jacob Miller is a Service Team Leader with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since September 2014. Jacob started with the company as an entry-level Installation Helper and worked his way up to becoming our Service Team Leader. He holds his Maryland State Master’s License and EPA Section 608 CFC Universal Certification and is a NATE-certified technician. Outside of work, Jacob enjoys golfing and spending time with his wife, three children, and friends.

Brian Wise

Service Field Leader

Brian is a Service Field Leader with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since May 2017. He brings with him 4 years of prior experience in the HVAC industry and holds his Maryland State Master’s License and EPA Section 608 CFC Universal Certification. Brian is also a NATE-certified technician. Outside of work, he enjoys remodeling his home and spending time with his wife and 3 children.

Kevin Koehler

Service Field Leader

Kevin is a Service Field Leader with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since October 2011. He brings with him 16 years of prior experience in the HVAC industry and holds his EPA Section 608 CFC Certification. Kevin is also a NATE-certified technician. Outside of work, he enjoys traveling, especially to Disney, golfing, and tasting craft beers. Kevin is happily married and enjoys spending time with his son and granddaughter.

Jacob King

Service Technician

Jacob is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since December 2020. He started as a helper right out of trade school and worked his way up to becoming a Service Technician. Jacob holds his Maryland Journeyman’s License, EPA Section 608 CFC Certification, and Wardflex and Gastite certifications. He is also a NATE-certified technician. Outside of work, Jacob enjoys spending time with his wife, child, four cats, and dog.

Bayley Oberlander

Service Technician

Bayley is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since June 2020. Bayley holds his EPA Section 608 CFC Universal Certification, Maryland HVAC Journeyman License, and Electrical Technology Certification. Outside of work, he enjoys motocross, hunting, and fishing. He also enjoys spending time with his wife and two dogs, Hank and Riley.

Scott Lanthier

Service Technician

Scott Lanthier is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since May 2022. He graduated from MIAT College of Technology with a background in HVACR. Scott holds his Maryland HVAC Apprentice License and EPA Section 608 CFC Universal Certification. He is also a NATE-certified technician. Outside of work, Scott enjoys reading science fiction and fantasy literature and gathering around summer bonfires.

Tim Swartz

Service Technician

Corey White

Service Technician

Corey is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since April 2021. He brings 10 years of HVAC industry experience prior to joining Holtzople. Corey holds his Maryland State HVAC Journeyman’s License, EPA Section 608 CFC Certification, and Maryland Electrical Apprenticeship License. He also holds multiple Trane Comfort, Daikin Heating & Cooling, Mitsubishi Heating & Cooling, boiler, and oil and gas heating certifications.

Dale Smith

Service Technician

Dale is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since May 2025. He brings 7 years of prior experience in the HVAC industry. Dale began his career in high school while attending the Carroll County Career and Technology Center and entered the field immediately after graduation. He holds his EPA Section 608 CFC Universal Certification and is actively working toward additional licenses to expand his expertise. Outside of work, Dale enjoys tackling projects at home and spending time with his fiancée. He is also a proud animal lover who enjoys caring for his two horses, Peanut Butter and Penny, and his five dogs: Popsicle, Turtle, Camo, Ladybird, and Rumple.

Reed Miller

Service Technician

Reed is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since May 2023. Reed holds his OSHA 30 Certification, Forklift Operation Certification, and Mobile Elevated Work Platform Certification. Outside of work, he enjoys going to the gym, boating, and spending time with his friends, family, and fiancée.

Corbin Byers

Service Technician

Colby Rakes

Service Technician

Colby is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since November 2021. Colby holds his Maryland HVAC Journeyman’s License and EPA Section 608 CFC Universal Certification. He is also a NATE-certified technician. Outside of work, Colby enjoys fishing and spending time outdoors with his wife.

Jake Kern

Service Technician

Jake is a Service Technician with Holtzople Heating, Air Conditioning & Electrical Services and has been with the company since July 2026. He brings 8 years of experience in the HVAC industry, beginning his career in industrial and commercial HVAC manufacturing before transitioning to residential field service 3 years ago. Jake holds his Maryland State HVAC Apprentice License, EPA Section 608 Universal Certification, and Brazing Certifications 41358 and 41359. Outside of work, he enjoys music, art, writing, reading, mountain biking, and spending time with family and friends.