Our Services

Mainline Mechanical LLC provides expert plumbing and HVAC services in Cambridge, Ohio and the surrounding areas. We specialize in water heater installation, furnace repair, gas line services, electrical panel replacement, electric car charge port installation, outdoor 30 and 50 amp receptacle installation, plumbing and electric fixture replacement, pool heating equpment service and installation, bathroom and kitchen plumbing, HVAC systems, and more. Whether you need residential or light commercial work, we deliver reliable craftsmanship backed by a one-year limited warranty on labor. Licensed, experienced, and committed to customer satisfaction.

NewWhy Choose Mainline Mechanical LLC?

Looking for a reliable plumber or HVAC contractor in Cambridge, Ohio? At Mainline Mechanical LLC, we offer trusted, high-quality plumbing, heating, and mechanical services for both residential and light commercial clients. As a locally owned and operated company, we take pride in providing honest service, fair pricing, and dependable workmanship that stands the test of time.

Experienced Local Plumbing & HVAC Professionals
Our licensed team specializes in a full range of services including water heater installation and repair, sump pump systems, radiant heating, HVAC systems, mini splits, gas line services, and more. Whether you need a quick fix or a full system installation, we’ve got the tools and experience to get it done right.

Comprehensive Mechanical Services
From plumbing for kitchen and bathroom remodels to furnace repairs and tankless water heaters, to electrical panel upgrades, we’re your one-stop solution. We handle underground plumbing, water and sewer main tie-ins, natural gas appliance installs, carbon monoxide testing, and electrical upgrades like panel replacements, Electric car and E-Bike charging stations, replacing lighting fixtures, as well as pool heaters and pump repair/replacement and more.

✅ One-Year Limited Warranty on Labor
We stand behind our work. Every installation or repair is backed by a one-year limited labor warranty, giving you peace of mind that your investment is protected.

Search-Friendly Service Areas
We proudly serve Cambridge, Ohio and surrounding communities including Byesville, Senecaville, New Concord, Kimbolton, Lore City, and more. When you search “plumber near me”, "electrician in Guernsey County", or “HVAC contractor in Cambridge OH,” we want you to find a local name you can trust — Mainline Mechanical LLC.

Prompt Communication & Honest Estimates
We believe good service starts with clear communication. When you call, you’ll speak directly with a professional who understands your needs and provides upfront, no-pressure solutions.

Whether you’re upgrading your home’s heating system or dealing with a plumbing emergency, Mainline Mechanical LLC is the local expert you can count on. Let us help you get the job done right — the first time.