When it comes to home renovation, choosing the right contractor can make all the difference—especially when installing windows and doors. Homeowners often rely on general contractors to manage the job, but few realize that many subcontract the work to others.
This raises an important question: If new windows and doors are part of your home renovation project, are you getting the expert installation your home deserves?
Risks of Using General Contractors for Window Installation
Duncan Newman, himself a general contractor, sheds light on this issue.
“I was a general contractor for four years before I became a glazing contractor,” he says. “I used to hire other window companies to do my work as a general contractor because I didn't know anything about windows.”
Hiring a general contractor who subs out your window and door installation can result in several risks, including compliance issues and potential long-term damage. Since these installations are critical to your home’s safety and energy efficiency, you need more than just surface-level expertise.
“Most subcontract tasks like electrical, plumbing, roofing, and windows,” he says. “Windows are no different from electrical work—they require specific knowledge, from understanding fire codes to proper tempered glass installation.”
Certified Window Dealers: A Better Alternative
If your renovation is focused solely on windows and doors, Duncan recommends bypassing general contractors altogether. Instead, opt for a certified window and door dealer that offers installation services. Certified installers bring a level of expertise and reassurance that you won't find with a general contractor.
“Windows and doors are complex,” he explains. “It’s not just about fitting them into the space—they’re the barrier between your home and the outside world. A poorly done job can lead to serious long-term problems.”
He adds this food for thought: “If you hired someone who wasn't an electrician to come in and do the electrical work in your house, would you expect them to just intrinsically know all of the codes, the distances, the heights, and the voltage?”
A certified window dealer, particularly one with a C17 glazing contractor’s license and who employs AAMA InstallationMasters™ Certified installers, will ensure that the work meets all necessary codes and standards. In states like California, this certification guarantees that the contractor is knowledgeable about building regulations, safety protocols, and proper installation techniques.
The Importance of a Warranty
Even the most skilled installers can encounter issues after completing the job, so an installation guarantee is crucial. Without a warranty, homeowners could face unexpected out-of-pocket expenses.
“You don’t want to be left holding the bag if something goes wrong a year later,” Duncan says. “Having a warranty gives you peace of mind down the road if anything goes wrong, or even just having it done right the first time with the right materials. A comprehensive warranty ensures that any post-installation problems are resolved without further financial burden on you.”
Subcontractors vs. Employees: Who Should Do the Work?
Another significant consideration is whether your company uses its employees or subcontractors to handle the installation. If a company passes the work off to subcontractors, accountability can become a major issue.
As Duncan says, “When something goes wrong, the blame game starts. One company might say, ‘That’s the installer’s fault,’ and you’re left with no resolution.”
To avoid this hassle, choose a company that uses in-house employees for installations.
“When a company’s employees do the work, they’re more invested in getting it right because the company is ultimately responsible for the entire job,” he concludes.
Choose a No-Risk Solution
Renovating your home, particularly with new windows and doors, is an investment that should last for years. By choosing a certified window dealer that handles installation with its employees, you’re ensuring that the job is done right the first time and protecting your home from costly issues down the road.
Whether it’s a warranty that gives you peace of mind or knowing that your windows and doors will withstand the test of time, the right choice of contractor makes all the difference.
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