TURN TO AN HVAC CONTRACTOR IN MIDDLETOWN TOWNSHIP, NJ AND MONMOUTH, MIDDLESEX AND OCEAN COUNTIES, NJ Everybody has their preferred temperature, so it's frustrating when your HVAC unit has trouble reaching the desired setting. Instead of being too warm or too cold, you should turn to an HVAC contractor. Manfredi Heating and Air Conditioning offers comprehensive HVAC services to both residential and commercial customers in Middletown Township, NJ.