Some of our top rated window contractors in Alton
Sort by:
- Get in touch
- Best of the Best 2025
- Best of Awards 2025
Imperial Windows & Doors uniquely meet the demand for high quality energy star products in beautifully finished designs. Using the most advanced PVC materials available to deal with the challenging Canadian climate, Imperial Windows provide the warmth you need and beauty you seek. At Imperial Windows and Doors, we value our customers; we treat you with respect and deliver on our promise to do what is best for you and your family. We understand it is important that our products help keep your home safe and secure. We Specialize in: Energy Star Windows, Steel Entrance Doors, Fiberglass Entrance Doors, Patio Doors, French/Garden Doors. and Porch Enclosures.
- Get in touch
- Best of Newly Listed 2025
Sharkview Windows and Doors specializes in enhancing your home through high-quality, energy-efficient solutions. Our commitment to modern design not only elevates the aesthetic of your space but also significantly improves comfort and sustainability. Let us transform your home into a more efficient, stylish sanctuary.
- Get in touch
Are you looking for an Experienced and Reliable roofing company. With over 8 yrs experience in the trade, You can count on us to get the job done. We specialize in metal roofing, replacing and installing Eavestroughs / Gutters , Soffit and Fascia. No Subcontractors. Our seasoned, licensed roof installers are all full-time employees. We provide a 10 year workmanship guarantee on most projects in addition to your manufacturer warranty.
- Get in touch
- Best of Newly Listed 2025
We build your dream house as strong and stable as a rhinoceros with a professional team. We have years of experience in design and implementation in all construction and renovation sectors, and all our efforts are the satisfaction and happiness of our customers.
- Get in touch
- Best of the Best 2022
- Best of Awards 2025
We guarantee best service and prices! We are your right choice when it comes to home renovations and improvement. Our company installs Energy Star qualified vinyl windows, residential entry doors, patio sliding doors and porch enclosures to any residential and commercial units in Toronto, Mississauga, Brampton, Oakville, Richmond Hill, Newmarket, Scarborough and all whole GTA. CURRENT SEASONAL PROMOTION: 30% Doors Installation and 40% Window Installation! Click for a quote today!
- Get in touch
For over 15 years, our drive to build a strong network of professional and licensed installers has been at the heart of our company. What makes Building Luxury different is our laser-focused specialty in each area of installation for a range of high-quality products, including windows amd doors. Vetted by years of strong and reliable performance, our products supplied by a trusted network of manufacturers and impeccable installation service has earned us a trusted name in the industry
- Get in touch
We specialize in appliances installation like tv, soundbar hometheatre projector, washing meachine dryer, fridge, range hoods, pet door installation and many others. We specialize in wall mounting roof mounting wiring concealement, and setup. We also provide services as furniture assembler, fence installationand door installer.
- Get in touch
We are General Contractor and Licensed Electrician (ECRA/ESA #7017408) We deliver trusted, high-quality electrical and general contracting services across residential, commercial, and industrial sectors throughout GTA . From new builds and renovations ( Houses, Basement, Commercial properties ) to system upgrades. We ensure every project is handled with precision, safety, and professionalism. Why Choose us? • Licensed & Experienced Electricians • Up-to-date with Current Electrical and Building Codes. • Authorized ECRA/ESA Contractor (#7017408) • Honest Work • Fast Turnaround • Competitive Pricing • Demolition services • Smart home experts • Top quality finishing • Best record with ESA Electrical & Contracting Services Offered: • Panel Upgrades: 100A to 200A / 400A • Troubleshooting & Service Calls.
- Get in touch
- Best of Awards 2025
Class A is a company that provides first-class quality cleaning services. Our goal is to exceed the expectations of our customers. Currently, we have well trained and qualified cleaning staff. We have helped our customers to feel comfortable and at ease in their homes and commercial area as well. Although we stand out from our competition, our goal is simple: to provide services at the 5-star hotel and resort level. Trust and Quality are our core values, therefore, choosing Class A will be a wise decision.
- Get in touch
There is no project that is too big or too small for Quality Control Concrete. Our team is licensed, insured, and well trained to take on your concrete projects safely and promptly while maintaining outstanding workmanship. Concrete Driveways Driveway Extensions Concrete Walkways Front Entrances Back yard patios Heavy-duty Swim spa and hot tub pads Pool Decks Pool demolition and backfill Shed and Garage Demolition
- Get in touch
- Best of Awards 2025
Your Home, Our Priority — Violet Renovation Puts You and Your Home First! At Violet Renovation, we understand that your home is more than just a structure—it's where memories are created and lives are shared. We pride ourselves on delivering personalized service that begins with listening to your unique needs and ends with bringing your vision to life through expert craftsmanship and attention to detail. Our team is committed to open communication, ensuring you're informed and confident throughout every step of the process. Whether it's a kitchen upgrade, bathroom remodel, or a full-home renovation, we prioritize quality workmanship and durable solutions that not only enhance your space but also safeguard your investment for the future. Your satisfaction is our top priority, and we stand by the lasting value we create for your home. Contact us now to discuss your next project and discover how Violet Renovation can transform your space with care, quality, and expertise. Our Specialities: - Bathroom Renovations - Kitchen Renovations - Basement Renovations - Full Interior (Residential) - Custom Home Build
- Get in touch
At Homev Construction, we specialize in high-quality home renovations, structural projects, basement finishing, home extensions, and full project management across the GTA. From kitchen and bathroom remodels to wall removals and major structural work, we deliver reliable workmanship with a focus on transparency, timelines, and client satisfaction. With a strong network of trusted trades and years of hands-on experience, we ensure every project is completed safely, professionally, and with exceptional attention to detail. Whether you’re upgrading your current space or building a new extension, Homev Construction is committed to bringing your vision to life—on time and on budget.
- Get in touch
With over 5 years of experience in general contracting, our company is built on a strong foundation of expertise and professionalism. Our founder brings more than 30 years of construction management experience across multiple continents, offering a global perspective and deep industry knowledge. We are a professionally managed organization, where every project is overseen by Certified Project Management Professionals (PMP & PgMP). This structured and disciplined approach ensures that each project is handled with precision, transparency, and efficiency. Our professional methodology focuses on clear planning, detailed scoping, and open communication from the very beginning. We work closely with our clients to fully understand their expectations and translate them into a well-defined project plan. Industry experience shows that over 90% of project disputes arise from misunderstandings about the scope of work. That is why we place strong emphasis on clearly defining and explaining every aspect of the project before work begins, ensuring alignment between client expectations and project execution. This commitment to clarity and professionalism allows us to deliver projects on time, within budget, and to the highest quality standards.
- Get in touch
Welcome to Trini Electric Inc. Trini Electric Inc provides electrical contractor services to residential, commercial, and industrial stakeholders. We serve all over Ontario. We are a locally owned company providing quality service to our clients since 1995. Trini Electric is a licensed and fully insured contractor. We are registered with the Electrical Safety Authority and also we are on the Authorized Contractor Program. No job is too small for our certified electricians. Call us for a free estimate. References on request. We offer 24 hour Service in the Greater Toronto Area: Toronto, Mississauga, Aurora, Hamilton, Brampton, Oakville, Vaughan, Niagara Falls Our services include:: Electrical installations and rewiring Installation of fixtures and ceiling fans Installation of Automatic Lighting Controls Repairs and upgrades of service panels Installation of additional circuits and outlets Grounding and Surge Protection Wiring of pools, spas and hot tubs Installation of data and communication lines Installation for lighting for landscapes Design, upgrade and installation of indoor lighting Installation of Emergency Generators Solutions for Aluminum Wiring Solutions for Knobs and Tubes Installation of smoke and CO detector and alarms Code Infraction Corrections Repairs for Real Estate Closings Electrical system (service panel) upgrades Knob and tube replacement Changing fuses to breakers Installation of plugs for appliances (stoves, microwaves, washer/dryer) Installation of ceiling fans Systems wiring for outdoor lighting Aluminum wiring replacement Corrective wiring - Repairs or upgrades to comply with current code requirements Installation of decorative or accent lighting (wall sconces, pot lights) Systems wiring for smoke detectors Outside GFCI circuiting and receptacles Wiring for pool lighting, pumps and equipment Motion detected security lighting Landscape lighting Electric heat Installation of power generators Installation of specialized machinery Overhaul of electric motors and controls Building maintenance Installation of power distribution and switchboards Installation of solar panels Servicing of power tools and appliances Distribution and control of DC Installation and servicing of Co-Generation and CHP Systems Installation and servicing of Variable Frequency Drives Servicing for Voltage Improvement and Stability Surge Suppression and Transient Suppression Improvement of Power Factor Mitigation of Broadband Harmonics Mitigation of Specific Harmonics Protection for Intermittent Supply Failure Installation of Standby Generators Protection from Brownouts Synthesis for Phase Loss Installation and renovation of all electrical services Installation of additional circuits and lighting Installation and repair of indoor lighting Installation of commercial lighting controls Installation of motor controls and transformers Installation, servicing and repair of 120/208 volt and 347/600 volt 3 Phase Circuits Installation of outdoor security lighting Installation, servicing and repair of parking lot lighting Wiring for machinery equipment Installation of emergency/exit lighting Design and installation of lighting Installation of phone and data lines Installation of audio/video systems Installation of CATV/CCTV systems Installation of security systems Installation of flat screen televisions Installation of fire alarms, smoke detectors and CO detectors Installation and servicing of intercoms Code infraction corrections Installation of commercial signs Installation and servicing of cash registers
- Get in touch
We specialize in cosmetic repairs, drywall installation, wall painting, plastering, basement renovations, as well as tile installation, ceiling repairs, and bathroom and kitchen remodeling. Our team of professionals is dedicated to delivering high-quality work quickly and affordably, with a personalized approach to every project. Trust us to transform your space into a comfortable and stylish home without breaking the bank!
- Get in touch
- Best of Newly Listed 2025
LAB Windows & Doors MIN 3 Windows Offering 45% Off Windows & 40% Off Doors! LAB Windows & Doors makes home upgrades smooth and stress-free. Whether you’re replacing a few windows or transforming your entire home, our expert team delivers high-quality installations with personalized service and ENERGY STAR® certified products. Trusted across the GTA and surronding area, we help homeowners boost energy efficiency, comfort, and curb appeal—all with peace of mind. Get in touch today for a friendly, no-obligation consultation. Experience the LAB difference
