Top HVAC Legacy System Modernization Companies

Discover Legacy System Modernization companies serving the HVAC industry. Compare services, pricing, and capabilities to find the right partner on Edverise.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,482 Companies

Top HVAC Legacy System Modernization Companies

Studio Lescinschi Art
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Creăm site-uri moderne și magazine online optimizate pentru vânzări, adaptate specificului fiecărei afaceri. Oferim dezvoltarea atât a paginilor de prezentare, cât și a platformelor e-commerce complete, caracterizate printr-un design atrăgător, o structură clară și o experiență ușor de folosit pentr
Highlights
$250,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Bucuresti, Bucuresti, Ro
Services Provided+3 Services
15% Custom Web Application Development
17% E-Commerce Development
2% Legacy System Modernization
13% AI Agent & Multi-Agent System Development
AI Summary
“Studio Lescinschi Art specializes in creating modern, sales-optimized websites and e-commerce platforms with secure payment integration, streamlined delivery solutions, and full-cycle development and support services tailored to businesses.”
AsiaHabit Digital Co.,Ltd.
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Our experience offers a significant benefit in achieving outcomes in a global setting.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Bangkok, Krung Thep Maha Nakhon, Th
Services Provided+5 Services
10% Custom Web Application Development
7% E-Commerce Development
3% Legacy System Modernization
8% Conversion Rate Optimization (CRO)
AI Summary
“AsiaHabit Digital Co., Ltd. leverages extensive global experience to deliver comprehensive digital solutions, enabling successful outcomes across diverse international markets with professional expertise.”
D
d
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
18% Custom Web Application Development
15% Mobile App Development (iOS & Android)
12% E-Commerce Development
5% Legacy System Modernization
AI Summary
“d. is a company whose specific industry and services are not provided, requiring further information for a comprehensive summary of its capabilities and offerings.”
Novawork
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Novawork, we consider ourselves more than simply a technology company; we are your allies in realizing your business aspirations. Our expertise lies in software development, digital marketing, and automation, providing a comprehensive range of services to fulfill all your business requirements.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
12% Mobile App Development (iOS & Android)
15% Custom Web Application Development
5% E-Commerce Development
2% Legacy System Modernization
AI Summary
“Novawork is a technology partner specializing in software development, digital marketing, and automation to support and achieve diverse business objectives effectively.”
M
Morgan Feeney
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
I create and build fully responsive, precisely crafted experiences using React and Next.js. Over the past year and a half, I have provided headless frontends for a variety of companies across sectors such as blockchain, software, and IT management. Prior to that, I contributed to several major respo
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
Timperley, England, Gb
Services Provided+2 Services
22% Frontend Development
10% Custom Web Application Development
2% Legacy System Modernization
20% Product UX Strategy
AI Summary
“Morgan Feeney specializes in creating fully responsive, precise web experiences using React and Next.js, delivering frontend solutions across blockchain, software, IT, and e-commerce sectors.”
D
Digital400
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Digital400 is an enthusiastic and agile company committed to providing high-quality software development and digital transformation services. We specialize in AI, mobile, web, and full-stack development, along with user experience design and cloud solutions. Our strength lies in creating tailored, i
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+8 Services
8% Custom Web Application Development
8% Mobile App Development (iOS & Android)
7% Backend Development
5% Frontend Development
AI Summary
“Digital400 specializes in AI, mobile, web, and full-stack development, offering innovative software and digital transformation solutions tailored to clients across Australia and New Zealand.”
Coderty
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Consultora tecnológica especializada en el desarrollo de software, con más de diez años de experiencia. Colaboramos con PYMES, startups y corporaciones de diversos sectores. Nuestra misión es ayudar a nuestros clientes a convertirse en líderes en su ámbito, mediante la creación de soluciones digital
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+7 Services
5% Mobile App Development (iOS & Android)
14% Custom Web Application Development
5% Legacy System Modernization
10% E-Commerce Development
AI Summary
“Coderty is a technology consulting firm with over ten years of experience, delivering customized software, digital products, and IT solutions to enhance efficiency and competitiveness across diverse sectors.”
Virontix
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Achieve high-quality software development anytime and anywhere for all your requirements. Accelerate your scaling with quicker development, minimal complications, and greater value. Hire elite developers as needed, without the burden of employing full-time staff.
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+6 Services
7% Frontend Development
5% Mobile App Development (iOS & Android)
5% Legacy System Modernization
8% Custom Web Application Development
AI Summary
“Virontix delivers high-quality, flexible software development services, enabling scalable solutions with expert developers on demand, minimizing complexities and accelerating project success globally.”
Pacific54
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Pacific54 is a dynamic, boutique online marketing agency that offers innovative solutions driven by enthusiasm and expertise. We provide dedicated attention to you and your business, employing strategies and tools to elevate your business to the next level. Our passion for our work truly sets us apa
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Miami, Florida, Us
Services Provided+28 Services
5% Search Engine Optimization (SEO)
2% Content Marketing Strategy
1% Email Marketing & Automation
3% Social Media Marketing
AI Summary
“Pacific54 is a boutique online marketing agency in Miami offering SEO, web design, social media marketing, and conversion optimization to elevate business performance with expert strategies.”
Cliqx
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are a software company located in São Paulo, employing a team of 130 people and serving as an innovator for leading businesses globally. Since 2014, we have been contributing to the development of a smarter future, as we believe that digital transformation leads to significant outcomes and exciti
Highlights
$25-49/hr
Avg Hourly Rate
50-249
Employees
Sao Paulo, Sao Paulo, Br
Services Provided+7 Services
7% Mobile App Development (iOS & Android)
3% Legacy System Modernization
8% Custom Web Application Development
2% E-Commerce Development
AI Summary
“Cliqx is a São Paulo-based software company delivering tailored digital transformation solutions, combining custom software, UX/UI design, automation, consulting, and IT infrastructure expertise to optimize business outcomes.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.