Specialties Donnelly's is your one-stop shop for your home service, installation, and repair needs. We are proud to offer a full complement of services including: Plumbing Repairs and Service; Gas Heating Installation, Repairs, Replacements, and Service; Cooling/Air Conditioning System Installation, Repairs, Replacements and Service; Drain Cleaning and Rooter Services & Well Pump and Tank Repairs and Replacements. History Established in 1972 When you choose Donnelly's, you receive: 24-7 Service. We work every day, including Saturdays and Sundays. Call us for emergency repairs or a scheduled appointment. Up-Front Pricing. You approve the price before work begins - there are never hidden costs or additional charges. Peace of Mind. All our plumbing and HVAC technicians are highly qualified.