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

Hurrikan Logic
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are a skilled team of consultants and developers, equipped with the expertise, service, and competitive pricing to assist in your business growth. Our daily operations involve managing software projects and providing technology advice. Based in San Diego, Hurrikan Logic features a locally managed
Highlights
$50-99/hr
Avg Hourly Rate
2-9
Employees
San Diego, California, Us
Services Provided+7 Services
9% Custom Web Application Development
9% Mobile App Development (iOS & Android)
3% Legacy System Modernization
2% QA & Software Testing
AI Summary
“Hurrikan Logic is a US-based technology firm delivering custom software, mobile app development, UX/UI design, SEO, CRM consulting, and IT staff augmentation to enhance business growth and efficiency.”
E
Evold
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We have a strong track record of assisting businesses and individuals in developing tech products. We have helped companies across various industries such as Education, Solar and Energy, Entertainment, Beauty, Food, and Beverage to conceptualize, design, and engineer solutions. As product experts, w
Highlights
$5,000+
Min Project Size
10-49
Employees
Services Provided+2 Services
14% Mobile App Development (iOS & Android)
6% Legacy System Modernization
20% Product Design
20% Logo Design
AI Summary
“Evold specializes in developing and engineering tech products across diverse industries, transforming strategic ideas into successful solutions with expertise and innovation.”
M61 Studio
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
M61 is a software development firm that specializes in data and artificial intelligence.
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Budapest, Budapest, Hu
Services Provided+6 Services
20% Custom Web Application Development
5% Legacy System Modernization
15% Backend Development
10% Frontend Development
AI Summary
“M61 Studio is a software development company specializing in data and artificial intelligence solutions, delivering advanced technology services across diverse industries with expertise and innovation.”
Vertexplus Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
VertexPlus Technologies Private Limited is a worldwide technology firm committed to delivering exceptional results across various industry sectors. With over ten years of experience in offering innovative technology solutions and service models that drive business success, we guarantee outstanding p
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
250-999
Employees
Jaipur, Rajasthan, In
Services Provided+9 Services
5% E-Commerce Development
8% Custom Web Application Development
5% Mobile App Development (iOS & Android)
2% Legacy System Modernization
AI Summary
“VertexPlus Technologies Pvt Ltd is a global technology firm with over a decade of expertise delivering consulting, IT solutions, and digital media services across diverse industries, ensuring outstanding business results.”
getDev.io
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Our company possesses extensive experience in managing projects for small to medium-sized enterprises. Whether your goal is to obtain contracts, showcase your services, or create a large online marketplace, we can help you achieve your objectives! Our technical skills include HTML, CSS3, PHP, jQuery
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Budapest, Budapest, Hu
Services Provided+13 Services
10% Mobile App Development (iOS & Android)
4% E-Commerce Development
2% Legacy System Modernization
4% QA & Software Testing
AI Summary
“getDev.io delivers comprehensive project management and development services for SMEs, specializing in web technologies, blockchain, and mobile applications with clear stakeholder communication.”
SHX code
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
SHX code is a business partner for your company, specializing in optimizing, accelerating, and automating business processes through applications and IT technologies. Our expertise includes web and mobile application development, data migration, system integrations, modernization, maintenance, produ
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
23% Custom Web Application Development
22% Mobile App Development (iOS & Android)
5% Legacy System Modernization
25% Product UX Strategy
AI Summary
“SHX code delivers comprehensive IT solutions, specializing in custom web and mobile app development, UX design, system modernization, and integration to optimize and automate business processes effectively.”
DefensePoint Lda
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Intelligent, dependable, and scalable solutions tailored for the corporate digital environment—consistently prioritizing security.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Lisboa, Lisbon, Pt
Services Provided+12 Services
16% Custom Web Application Development
13% API Development & Integration
3% Legacy System Modernization
2% Robotic Process Automation (RPA)
AI Summary
“DefensePoint Lda. delivers intelligent, scalable, and secure digital solutions designed to meet diverse corporate needs while ensuring dependable protection across various environments.”
Coconuts Software
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are dedicated to simplifying and bringing joy to people's lives through our elegant and strong solutions, which we utilize to develop enjoyable applications. Our team consists of a group of young and passionate entrepreneurs who are experienced multidisciplinary creatives, developers, and designe
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
5% Legacy System Modernization
25% Product UX Strategy
AI Summary
“Coconuts Software creates elegant, robust applications aimed at simplifying and enriching lives, leveraging over 30 years of multidisciplinary expertise and diverse industry collaborations.”
Fradys Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Fradys Technologies is a global company specializing in digital systems that develop AI-driven revenue and operations frameworks with integrated governance. We cater to founders, growth-stage businesses, and large enterprises across the United States, East Africa, and other international markets, pr
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+13 Services
15% AI Agent & Multi-Agent System Development
10% AI Strategy & Roadmap Consulting
5% Machine Learning Model Development
5% BI & Big Data Consulting & SI
AI Summary
“Fradys Technologies delivers AI-driven digital systems and governance solutions globally, focusing on revenue growth, operational excellence, compliance, and capability building for diverse enterprises.”
Web7
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Web7, we go beyond being a typical digital agency. We consist of a passionate group of developers, designers, and strategists focused on revolutionizing businesses with innovative digital solutions.
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+13 Services
15% Custom Web Application Development
10% Machine Learning Model Development
5% AI Strategy & Roadmap Consulting
5% API Development & Integration
AI Summary
“Web7 is a digital agency comprising developers, designers, and strategists dedicated to delivering innovative digital solutions that transform and advance businesses across diverse industries.”

...

...

...

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.