Areas We Serve · Ramsey County, MN
Premier HVAC, Plumbing and Electrical Contractor in Saint Paul, MN
McQuillan Home Services has operated out of this city since 1883, making it the longest-running plumbing, heating, and mechanical firm in Minnesota and one of the oldest in the country. Our fifth-generation family team holds full state and municipal licensure to perform every category of residential HVAC, plumbing, drain, and electrical work. Call (651) 212-5828 to schedule your service today.
Everything Your Saint Paul Home Needs, Under One Contractor
McQuillan Home Services maintains a comprehensive range of heating, cooling, plumbing, and electrical capabilities for the full spectrum of residential properties found across this city. From ornate Victorian-era homes along Summit Avenue and the Ramsey Hill district to early 20th-century working-class housing in Frogtown and Payne-Phalen, each property type presents its own infrastructure profile that our technicians have been addressing for generations. Here is the complete catalog of residential services we provide:
HVAC Services
35 Services
A/C Installation
A/C Maintenance
A/C Repair
Air Conditioning Services
Air Purifier Installation
Boiler Installation
Boiler Maintenance
Boiler Repair
Boiler Services
Duct Cleaning
ERV/HRV Ventilation
Furnace Installation
Furnace Maintenance
Furnace Repair
Furnace Services
Heat Pump Installation
Heat Pump Maintenance
Heat Pump Repair
Heat Pump Services
Heating Installation
Heating Maintenance
Heating Repair
Heating Services
Humidifier Installation
Humidifier Services
HVAC Services
Indoor Air Quality
Insulation Services
Mini-Split Installation
Mini-Split Maintenance
Mini-Split Repair
Mini-Split Systems
Radiant Heat Services
Smart Thermostat Installation
UV Air Sanitizers
Plumbing Services
30 Services
Battery Backup Sump Pump
Faucet Repair & Installation
Frozen & Burst Pipe Repair
Gas Line Installation
Gas Line Repair
Gas Line Services
Heat Pump Water Heater
Kitchen / Bath Plumbing Repair
Leak Detection
Plumbing Inspection
Plumbing Repair
Plumbing Services
Repiping Installation
Repiping Services
Sump Pump Installation
Sump Pump Repair
Sump Pump Services
Tankless Water Heater Installation
Tankless Water Heater Maintenance
Tankless Water Heater Repair
Tankless Water Heater Services
Toilet Repair & Installation
Water Heater Installation
Water Heater Maintenance
Water Heater Repair
Water Heater Services
Water Line Installation
Water Softener Installation
Water Softener Repair
Water Softener Services
Drain Services
14 Services
Electrical Services
16 Services
Car Charging Station Installation
Ceiling Fan Installation
Circuit Breaker Installation
Dedicated Circuit Installation
Electrical Inspection
Electrical Panel Replacement
Electrical Repair
Electrical Safety Inspection
Electrical Services
EV Charging Installation
Generator Installation
Home Surge Protection
Lighting Installation
Smoke & CO Detector Installation
Switches & Outlets Installation
Whole Home Rewiring
Areas We Serve · Ramsey County, MN
The McQuillan Home Services Difference in Saint Paul
Selecting a contractor to work on the essential systems of a home is not a decision that should rest on convenience alone. McQuillan Home Services has accumulated a record of verified performance across this city that spans multiple generations and every category of residential trade work.
Minnesota's Original Plumbing Company, Founded 1883
McQuillan Home Services traces its roots to this city, where five successive generations of the McQuillan family have provided plumbing, heating, and mechanical services continuously for over 140 years.
BBB A+ Accredited with 5,200+ Verified Google Reviews
Our 4.6-star average across more than 5,200 customer reviews and long-standing A+ accreditation with the Better Business Bureau reflect an unbroken commitment to workmanship and fair dealing.
Fully Licensed Across Every Trade Division
We carry Minnesota Master Plumber (PC999931), Class A Electrical Contractor (EA807142), and Mechanical Contractor (MB805075) licenses, as well as St. Paul Combined Trades license 00TR934 and St. Paul Sewer Contractor authorization 20230000716.
Generational Familiarity with Local Infrastructure
Our technicians have direct experience with the hydronic boiler systems, cast-iron drain stacks, and knob-and-tube electrical wiring found throughout the city’s oldest residential neighborhoods, knowledge that takes years of hands-on work to develop.
Neighborhoods We Serve Across Saint Paul
McQuillan Home Services covers the full breadth of this Ramsey County city, from the grand pre-1900 residences of Summit Hill and Cathedral Hill to the densely built working-class blocks of the North End and Payne-Phalen. Many homes here contain original cast-iron soil lines, galvanized supply piping, gravity-fed heating systems, and service panels that predate modern load requirements by several decades, and our technicians are specifically trained to evaluate and upgrade infrastructure of that era. We serve the entire city, including the following neighborhoods:
- Battle Creek
- Como
- Dayton’s Bluff
- Frogtown
- Highland Park
- Macalester-Groveland
- North End
- Payne-Phalen
- Summit Hill
- Summit-University
Start Your Service Request with Minnesota's Most Established Home Contractor Today!
McQuillan Home Services has sustained a single operating standard across five generations: thorough work, written estimates, and no surprises at the end of the job. Our licensed technicians arrive prepared to address the full range of mechanical, plumbing, and electrical concerns that local homeowners present, and we carry the inventory to resolve most issues in a single visit.
Contact McQuillan Home Services to discuss your project or request a same-day appointment at (651) 212-5828. Our scheduling team is available seven days a week for both routine and urgent service needs.
Frequently Asked Questions
Does McQuillan Home Services cover all Saint Paul neighborhoods for HVAC, plumbing, and electrical work?
Yes, our service territory encompasses every district within the city limits and extends outward into Ramsey, Hennepin, and Washington Counties. Our dispatch headquarters at 1727 Highway 36 East positions us to reach any address efficiently, and we offer same-day scheduling for most service categories.
Do HVAC, plumbing, and electrical projects in Saint Paul require permits, and does McQuillan handle that process?
The city requires permits for all mechanical, plumbing, and electrical modifications to residential properties, administered through the St. Paul Department of Safety and Inspections. McQuillan Home Services holds active municipal licenses for all trades, including St. Paul Combined Trades license 00TR934, and manages the full permit application and inspection coordination on behalf of every client.
Why do so many older homes in this area still have boilers rather than forced-air furnaces?
Much of the local housing stock predates the widespread adoption of forced-air systems, which became standard primarily after World War II. Homes constructed before the 1940s were almost uniformly built with cast-iron radiator systems fed by steam or hot-water boilers, and many remain in place today because well-maintained boiler systems are exceptionally durable and capable of outlasting several generations of furnace equipment.
What should Saint Paul homeowners know about lead service lines and household plumbing risk?
As of late 2025, SPRWS records indicate that approximately 17,772 lead service lines remain active throughout the city, primarily in homes built before 1926 and a subset of properties constructed between 1942 and 1947. The SPRWS Lead Free replacement program is scheduled to address these through 2032, but internal household plumbing components such as lead solder joints remain the homeowner’s responsibility and warrant evaluation by a licensed plumber.
How does the local winter climate affect furnace and boiler performance throughout the heating season?
Extended cold stretches from December through February routinely push temperatures below zero across Ramsey County, placing near-continuous demand on heating equipment for weeks at a time. Furnaces and boilers operating under that load cycle accumulate wear on ignitors, heat exchangers, and circulator pumps far more rapidly than in milder climates, which is why pre-season maintenance and prompt attention to any performance changes are especially critical for local homeowners.
How does McQuillan Home Services structure its pricing for local service appointments?
We present a written, itemized estimate before any work begins and will not proceed without your signed authorization. There are no additional travel charges within our standard Ramsey County service area, and we offer financing plans and membership programs for qualifying projects. All pricing is communicated transparently before any work begins.