Heat pump disconnection & reconnection for roof replacement
Complete heat pump disconnection and reconnection service. Your roof needs replacing and one or more air conditioners sit on it? Climatisation HVAC MTL is the expert for your project.
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Before a roof replacement, rooftop heat pumps and air conditioners must be disconnected by a refrigeration technician, then reconnected and recommissioned once the work is done. HVAC MTL does this in Montréal, Laval and the South Shore, coordinated with the roofer, starting at $575 per unit (travel, disconnection and reconnection included).
An essential service during your roofing work
Air conditioning unit disconnection and reconnection for roof replacement work
During a roof replacement, it is essential to protect your heat pump to avoid any damage.
At HVAC MTL, we offer a specialized heat pump disconnection and reconnection service, before and after the work, to keep your equipment safe and working properly.
Why choose us to disconnect and reconnect your heat pump?
Professionalism and expertise
With over 15 years of air conditioning experience, we provide meticulous service that meets the industry’s strictest standards.
Safety first
We safely disconnect your heat pump and reconnect it once the work is done, to avoid any risk of damage to your equipment.
Fast, flexible service
Our work is coordinated with the progress of the roofing job, for a smooth, fast intervention that minimizes interruptions.
New wooden base
Base rebuilt for perfect stability and longer equipment life.
Anti-vibration pads
Less vibration and mechanical wear, for quieter, longer-lasting operation.
Refrigerant adjustment
Precise refrigerant charge adjustment for maximum performance and efficiency.
Full maintenance
Pressure wash with antibacterial soap to prevent breakdowns and improve efficiency.
Our process
How rooftop heat pump disconnection works
From the roofer’s first call to restart, every step is planned so the roof is cleared on time and every unit starts up properly.
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Planning with the roofer
Unit inventory, roof access, disconnection and reconnection dates based on the schedule.
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Refrigerant secured
Refrigerant is pumped down into the unit or recovered as needed, with no release to the atmosphere.
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Disconnection
Power cut and secured, copper lines disconnected.
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Protection
Lines capped, wires protected, units labelled and moved out of the work area or onto a temporary stand.
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Reconnection
Unit set back on its base, refrigerant and electrical connections redone.
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Leak test
Joints leak-tested and the lines evacuated before the refrigerant is released.
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Recommissioning
Start-up, pressure check and charge adjustment if needed.
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Final check
Each unit test-run and a summary to the manager or roofer.
Roofers, managers, condo boards
A reliable partner for your roofing jobs
A roof can’t be redone until the units are disconnected, and residents expect them back on as soon as the work ends. Our job: never be the cause of a delay.
For roofers
- Disconnection done before you arrive, roof cleared for your crews
- One subcontractor for every unit, whatever the brand
- Reconnection scheduled as soon as the membrane is done
For property managers and condo boards
- Unit inventory per dwelling and a clear per-unit quote
- Direct coordination with the roofer, one contact for you
- Option to follow up with building maintenance
We entrusted HVAC MTL with the disconnection and reconnection of 14 air conditioning/heat pump units and several air extractors as part of our roof renovation project. Their professionalism, transparency, and punctuality are unmatched by any other company in the market.
Our roofing jobs
Projects: rooftop disconnection and reconnection in Montréal
Condo buildings, residential buildings and industrial properties, with up to 31 heat pumps disconnected and reconnected on a single Côte-Saint-Paul roof.
Disconnecting and reconnecting air conditioners on the roof for work
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Disconnection and reinstallation of air conditioners – Roof repair in Montreal
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Removal and reinstallation of a ventilation duct – Roof of a condo building in Tétreaultville
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Disconnection and reinstallation of air conditioners – Côte-Saint-Paul, South-West of Montreal
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Disconnection and reactivation of 6 air conditioners – Industrial building at Mile End
View the projectFrequently asked questions
Everything about heat pump disconnection and reconnection
Planning a roof replacement and want to protect your HVAC system?
Here are answers to the most common questions about our specialized services, to help you plan with confidence.
Why does my heat pump need to be disconnected during roofing work?
Disconnection is essential to avoid damage to your unit from vibration, dust or falling debris. It also protects the electrical connections and the refrigerant charge.
When should the disconnection and reconnection be scheduled?
We recommend scheduling the disconnection before the work begins and the reconnection as soon as the roofing is finished. Our team adapts to your schedule for seamless coordination.
Does the service include a refrigerant adjustment?
Yes. When reconnecting, we perform a full check and, if needed, adjust the refrigerant charge for optimal performance, at an additional cost.
Do you offer other roof-related services?
Absolutely. We also offer wooden base rebuilding, anti-vibration pad installation and a full cleaning of the unit to extend its life.
How much does the service cost?
Our service starts at $575 per unit, including travel, disconnection and reconnection. Contact us for a fast, personalized quote.
Who can disconnect heat pumps during a roof replacement in Montréal?
The job must go to a qualified refrigeration technician, since it involves the refrigerant circuit and the power supply. HVAC MTL (RBQ licence 5845-4109-01) works for roofers, property managers and condo boards in Montréal, Laval and the South Shore.
Can you handle many units on the same roof?
Yes. Among other jobs, we disconnected and reconnected 31 heat pumps on the roof of a Côte-Saint-Paul building, on the site’s schedule.
Need help with the process?
Talk to an HVAC MTL expert and find out which rebates you qualify for
Our specialists guide you every step of the way: from choosing your heat pump to submitting your rebate application. Get a free assessment and a personalized quote within 24 hours, with no obligation.
We serve:
- Montréal
- Laval
- Many South Shore cities
A local team based in Montréal’s Sud-Ouest, serving the whole island, Laval and the South Shore.
- Reply within 24 hours
- Free assessment and quote, no obligation
- Certified technicians · RBQ 5845-4109-01